Question

The first second and fourth terms ofa proportion are 5.10 and 80 respectively. Find the third term​

Answer 1

Answer:

let the fist term be 5x

second be 10x

sum =80

Atq

5x=80+10x

5x-10x=80

-5x=80x=80/-5

-16

hence therefore 5x

5×(-16)

-80

10x

10×(-16)

-160