Finding the Fourth Proportional to 75,819.88, 113,691.66 and 44,240.68
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Solution
The fourth proportional to 75,819.88, 113,691.66 and 44,240.68 is: 66,338.75
Step by Step Solution
- Step 1: Write the proportion equation
75,819.88 : 113,691.66 = 44,240.68 : x - Step 2: Convert to fraction form
75,819.88/113,691.66 = 44,240.68/x - Step 3: Cross multiply
75,819.88x = 113,691.66 × 44,240.68 - Step 4: Simplify right side
75,819.88x = 5,029,796,348.73 - Step 5: Solve for x
x = 5,029,796,348.73/75,819.88 - Step 6: Final answer
x = 66,338.75
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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.