Finding the Fourth Proportional to 86,535.87, 129,808.52 and 27,367.12
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Solution
The fourth proportional to 86,535.87, 129,808.52 and 27,367.12 is: 41,052.17
Step by Step Solution
- Step 1: Write the proportion equation
86,535.87 : 129,808.52 = 27,367.12 : x - Step 2: Convert to fraction form
86,535.87/129,808.52 = 27,367.12/x - Step 3: Cross multiply
86,535.87x = 129,808.52 × 27,367.12 - Step 4: Simplify right side
86,535.87x = 3,552,485,343.86 - Step 5: Solve for x
x = 3,552,485,343.86/86,535.87 - Step 6: Final answer
x = 41,052.17
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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.