Finding the Fourth Proportional to 75,882.76, 113,730.90 and 53,702.44
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Solution
The fourth proportional to 75,882.76, 113,730.90 and 53,702.44 is: 80,487.67
Step by Step Solution
- Step 1: Write the proportion equation
75,882.76 : 113,730.90 = 53,702.44 : x - Step 2: Convert to fraction form
75,882.76/113,730.90 = 53,702.44/x - Step 3: Cross multiply
75,882.76x = 113,730.90 × 53,702.44 - Step 4: Simplify right side
75,882.76x = 6,107,626,833.40 - Step 5: Solve for x
x = 6,107,626,833.40/75,882.76 - Step 6: Final answer
x = 80,487.67
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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.