Finding the Fourth Proportional to 75,519.76, 113,294.76 and 42,287.08
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Solution
The fourth proportional to 75,519.76, 113,294.76 and 42,287.08 is: 63,439.09
Step by Step Solution
- Step 1: Write the proportion equation
75,519.76 : 113,294.76 = 42,287.08 : x - Step 2: Convert to fraction form
75,519.76/113,294.76 = 42,287.08/x - Step 3: Cross multiply
75,519.76x = 113,294.76 × 42,287.08 - Step 4: Simplify right side
75,519.76x = 4,790,904,579.70 - Step 5: Solve for x
x = 4,790,904,579.70/75,519.76 - Step 6: Final answer
x = 63,439.09
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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.