Home / 87,614.60-131,421.90-50,635.40

Finding the Fourth Proportional to 87,614.60, 131,421.90 and 50,635.40

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Solution

The fourth proportional to 87,614.60, 131,421.90 and 50,635.40 is: 75,953.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,614.60 : 131,421.90 = 50,635.40 : x
  2. Step 2: Convert to fraction form
    87,614.60/131,421.90 = 50,635.40/x
  3. Step 3: Cross multiply
    87,614.60x = 131,421.90 × 50,635.40
  4. Step 4: Simplify right side
    87,614.60x = 6,654,600,475.26
  5. Step 5: Solve for x
    x = 6,654,600,475.26/87,614.60
  6. Step 6: Final answer
    x = 75,953.10

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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.