Finding the Fourth Proportional to 75,688.68, 113,524.92 and 23,134.80
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Solution
The fourth proportional to 75,688.68, 113,524.92 and 23,134.80 is: 34,699.72
Step by Step Solution
- Step 1: Write the proportion equation
75,688.68 : 113,524.92 = 23,134.80 : x - Step 2: Convert to fraction form
75,688.68/113,524.92 = 23,134.80/x - Step 3: Cross multiply
75,688.68x = 113,524.92 × 23,134.80 - Step 4: Simplify right side
75,688.68x = 2,626,376,319.22 - Step 5: Solve for x
x = 2,626,376,319.22/75,688.68 - Step 6: Final answer
x = 34,699.72
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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.