Finding the Fourth Proportional to 75,882.26, 113,730.15 and 53,701.94
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Solution
The fourth proportional to 75,882.26, 113,730.15 and 53,701.94 is: 80,486.92
Step by Step Solution
- Step 1: Write the proportion equation
75,882.26 : 113,730.15 = 53,701.94 : x - Step 2: Convert to fraction form
75,882.26/113,730.15 = 53,701.94/x - Step 3: Cross multiply
75,882.26x = 113,730.15 × 53,701.94 - Step 4: Simplify right side
75,882.26x = 6,107,529,691.49 - Step 5: Solve for x
x = 6,107,529,691.49/75,882.26 - Step 6: Final answer
x = 80,486.92
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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.