Finding the Fourth Proportional to 87,089.63, 130,656.38 and 24,760.13
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Solution
The fourth proportional to 87,089.63, 130,656.38 and 24,760.13 is: 37,146.42
Step by Step Solution
- Step 1: Write the proportion equation
87,089.63 : 130,656.38 = 24,760.13 : x - Step 2: Convert to fraction form
87,089.63/130,656.38 = 24,760.13/x - Step 3: Cross multiply
87,089.63x = 130,656.38 × 24,760.13 - Step 4: Simplify right side
87,089.63x = 3,235,068,177.05 - Step 5: Solve for x
x = 3,235,068,177.05/87,089.63 - Step 6: Final answer
x = 37,146.42
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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.