Finding the Fourth Proportional to 84,292.68, 125,824.13 and 73,651.75
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Solution
The fourth proportional to 84,292.68, 125,824.13 and 73,651.75 is: 109,940.35
Step by Step Solution
- Step 1: Write the proportion equation
84,292.68 : 125,824.13 = 73,651.75 : x - Step 2: Convert to fraction form
84,292.68/125,824.13 = 73,651.75/x - Step 3: Cross multiply
84,292.68x = 125,824.13 × 73,651.75 - Step 4: Simplify right side
84,292.68x = 9,267,167,397.06 - Step 5: Solve for x
x = 9,267,167,397.06/84,292.68 - Step 6: Final answer
x = 109,940.35
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.