Finding the Fourth Proportional to 75,344.46, 113,034.96 and 22,750.80
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Solution
The fourth proportional to 75,344.46, 113,034.96 and 22,750.80 is: 34,131.72
Step by Step Solution
- Step 1: Write the proportion equation
75,344.46 : 113,034.96 = 22,750.80 : x - Step 2: Convert to fraction form
75,344.46/113,034.96 = 22,750.80/x - Step 3: Cross multiply
75,344.46x = 113,034.96 × 22,750.80 - Step 4: Simplify right side
75,344.46x = 2,571,635,767.97 - Step 5: Solve for x
x = 2,571,635,767.97/75,344.46 - Step 6: Final answer
x = 34,131.72
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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.