Home / 87,463.28-131,120.16-40,062.48

Finding the Fourth Proportional to 87,463.28, 131,120.16 and 40,062.48

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Solution

The fourth proportional to 87,463.28, 131,120.16 and 40,062.48 is: 60,059.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,463.28 : 131,120.16 = 40,062.48 : x
  2. Step 2: Convert to fraction form
    87,463.28/131,120.16 = 40,062.48/x
  3. Step 3: Cross multiply
    87,463.28x = 131,120.16 × 40,062.48
  4. Step 4: Simplify right side
    87,463.28x = 5,252,998,787.60
  5. Step 5: Solve for x
    x = 5,252,998,787.60/87,463.28
  6. Step 6: Final answer
    x = 60,059.48

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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.