比准价格A=5500*100/98*106.8/92.4*(95*0.5+110*0.3+105*0.2)/(105*0.5+100*0.3+120*0.2)=6182.33
比准价格B=5200*100/100*106.8/100.3*(95*0.5+110*0.3+105*0.2)/(100*0.5+110*0.3+100*0.2)=5456.35
比准价格C=5400*100/101*106.8/109.0*(95*0.5+110*0.3+105*0.2)/(80*0.5+120*0.3+100*0.2)=5538.75
比准价格=(A+B+C)/3=(6182.33+5456.35+5538.75)/3=5725.81元人民币/平方米