Finding the Fourth Proportional to 86,105.43, 129,216.92 and 29,944.99
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Solution
The fourth proportional to 86,105.43, 129,216.92 and 29,944.99 is: 44,937.93
Step by Step Solution
- Step 1: Write the proportion equation
86,105.43 : 129,216.92 = 29,944.99 : x - Step 2: Convert to fraction form
86,105.43/129,216.92 = 29,944.99/x - Step 3: Cross multiply
86,105.43x = 129,216.92 × 29,944.99 - Step 4: Simplify right side
86,105.43x = 3,869,399,557.47 - Step 5: Solve for x
x = 3,869,399,557.47/86,105.43 - Step 6: Final answer
x = 44,937.93
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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.