Finding the Fourth Proportional to 77,707.36, 116,536.35 and 33,322.18
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Solution
The fourth proportional to 77,707.36, 116,536.35 and 33,322.18 is: 49,972.68
Step by Step Solution
- Step 1: Write the proportion equation
77,707.36 : 116,536.35 = 33,322.18 : x - Step 2: Convert to fraction form
77,707.36/116,536.35 = 33,322.18/x - Step 3: Cross multiply
77,707.36x = 116,536.35 × 33,322.18 - Step 4: Simplify right side
77,707.36x = 3,883,245,231.24 - Step 5: Solve for x
x = 3,883,245,231.24/77,707.36 - Step 6: Final answer
x = 49,972.68
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.