Home / 87,818.31-131,727.47-32,414.31

Finding the Fourth Proportional to 87,818.31, 131,727.47 and 32,414.31

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Solution

The fourth proportional to 87,818.31, 131,727.47 and 32,414.31 is: 48,621.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,818.31 : 131,727.47 = 32,414.31 : x
  2. Step 2: Convert to fraction form
    87,818.31/131,727.47 = 32,414.31/x
  3. Step 3: Cross multiply
    87,818.31x = 131,727.47 × 32,414.31
  4. Step 4: Simplify right side
    87,818.31x = 4,269,855,377.41
  5. Step 5: Solve for x
    x = 4,269,855,377.41/87,818.31
  6. Step 6: Final answer
    x = 48,621.47

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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.