Home / 87,644.10-131,552.55-43,320.90

Finding the Fourth Proportional to 87,644.10, 131,552.55 and 43,320.90

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Solution

The fourth proportional to 87,644.10, 131,552.55 and 43,320.90 is: 65,024.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,644.10 : 131,552.55 = 43,320.90 : x
  2. Step 2: Convert to fraction form
    87,644.10/131,552.55 = 43,320.90/x
  3. Step 3: Cross multiply
    87,644.10x = 131,552.55 × 43,320.90
  4. Step 4: Simplify right side
    87,644.10x = 5,698,974,863.30
  5. Step 5: Solve for x
    x = 5,698,974,863.30/87,644.10
  6. Step 6: Final answer
    x = 65,024.06

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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.