Finding the Fourth Proportional to 87,754.26, 131,548.35 and 54,040.99
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Solution
The fourth proportional to 87,754.26, 131,548.35 and 54,040.99 is: 81,010.35
Step by Step Solution
- Step 1: Write the proportion equation
87,754.26 : 131,548.35 = 54,040.99 : x - Step 2: Convert to fraction form
87,754.26/131,548.35 = 54,040.99/x - Step 3: Cross multiply
87,754.26x = 131,548.35 × 54,040.99 - Step 4: Simplify right side
87,754.26x = 7,109,003,066.87 - Step 5: Solve for x
x = 7,109,003,066.87/87,754.26 - Step 6: Final answer
x = 81,010.35
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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.