Finding the Fourth Proportional to 75,666.48, 113,569.68 and 38,252.88
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Solution
The fourth proportional to 75,666.48, 113,569.68 and 38,252.88 is: 57,414.69
Step by Step Solution
- Step 1: Write the proportion equation
75,666.48 : 113,569.68 = 38,252.88 : x - Step 2: Convert to fraction form
75,666.48/113,569.68 = 38,252.88/x - Step 3: Cross multiply
75,666.48x = 113,569.68 × 38,252.88 - Step 4: Simplify right side
75,666.48x = 4,344,367,340.68 - Step 5: Solve for x
x = 4,344,367,340.68/75,666.48 - Step 6: Final answer
x = 57,414.69
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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.