Home / 87,140.01-120,253.28-49,414.26

Finding the Fourth Proportional to 87,140.01, 120,253.28 and 49,414.26

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Solution

The fourth proportional to 87,140.01, 120,253.28 and 49,414.26 is: 68,191.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,140.01 : 120,253.28 = 49,414.26 : x
  2. Step 2: Convert to fraction form
    87,140.01/120,253.28 = 49,414.26/x
  3. Step 3: Cross multiply
    87,140.01x = 120,253.28 × 49,414.26
  4. Step 4: Simplify right side
    87,140.01x = 5,942,226,596.70
  5. Step 5: Solve for x
    x = 5,942,226,596.70/87,140.01
  6. Step 6: Final answer
    x = 68,191.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.