Finding the Fourth Proportional to 99,793.26, 137,711.28 and 59,486.28
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Solution
The fourth proportional to 99,793.26, 137,711.28 and 59,486.28 is: 82,089.03
Step by Step Solution
- Step 1: Write the proportion equation
99,793.26 : 137,711.28 = 59,486.28 : x - Step 2: Convert to fraction form
99,793.26/137,711.28 = 59,486.28/x - Step 3: Cross multiply
99,793.26x = 137,711.28 × 59,486.28 - Step 4: Simplify right side
99,793.26x = 8,191,931,761.24 - Step 5: Solve for x
x = 8,191,931,761.24/99,793.26 - Step 6: Final answer
x = 82,089.03
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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.