Finding the Fourth Proportional to 75,125.52, 103,672.98 and 41,591.52
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Solution
The fourth proportional to 75,125.52, 103,672.98 and 41,591.52 is: 57,396.17
Step by Step Solution
- Step 1: Write the proportion equation
75,125.52 : 103,672.98 = 41,591.52 : x - Step 2: Convert to fraction form
75,125.52/103,672.98 = 41,591.52/x - Step 3: Cross multiply
75,125.52x = 103,672.98 × 41,591.52 - Step 4: Simplify right side
75,125.52x = 4,311,916,821.13 - Step 5: Solve for x
x = 4,311,916,821.13/75,125.52 - Step 6: Final answer
x = 57,396.17
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.