Finding the Fourth Proportional to 86,103.13, 129,166.36 and 29,935.97
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Solution
The fourth proportional to 86,103.13, 129,166.36 and 29,935.97 is: 44,908.01
Step by Step Solution
- Step 1: Write the proportion equation
86,103.13 : 129,166.36 = 29,935.97 : x - Step 2: Convert to fraction form
86,103.13/129,166.36 = 29,935.97/x - Step 3: Cross multiply
86,103.13x = 129,166.36 × 29,935.97 - Step 4: Simplify right side
86,103.13x = 3,866,720,420.45 - Step 5: Solve for x
x = 3,866,720,420.45/86,103.13 - Step 6: Final answer
x = 44,908.01
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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.