Home / 87,614.10-131,421.15-48,150.90

Finding the Fourth Proportional to 87,614.10, 131,421.15 and 48,150.90

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Solution

The fourth proportional to 87,614.10, 131,421.15 and 48,150.90 is: 72,226.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,614.10 : 131,421.15 = 48,150.90 : x
  2. Step 2: Convert to fraction form
    87,614.10/131,421.15 = 48,150.90/x
  3. Step 3: Cross multiply
    87,614.10x = 131,421.15 × 48,150.90
  4. Step 4: Simplify right side
    87,614.10x = 6,328,046,651.54
  5. Step 5: Solve for x
    x = 6,328,046,651.54/87,614.10
  6. Step 6: Final answer
    x = 72,226.35

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1.5x scale

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.