Home / 87,614.10-131,421.15-73,617.30

Finding the Fourth Proportional to 87,614.10, 131,421.15 and 73,617.30

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Solution

The fourth proportional to 87,614.10, 131,421.15 and 73,617.30 is: 110,425.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,614.10 : 131,421.15 = 73,617.30 : x
  2. Step 2: Convert to fraction form
    87,614.10/131,421.15 = 73,617.30/x
  3. Step 3: Cross multiply
    87,614.10x = 131,421.15 × 73,617.30
  4. Step 4: Simplify right side
    87,614.10x = 9,674,870,225.90
  5. Step 5: Solve for x
    x = 9,674,870,225.90/87,614.10
  6. Step 6: Final answer
    x = 110,425.95

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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.