Home / 87,331.56-120,516.45-49,097.46

Finding the Fourth Proportional to 87,331.56, 120,516.45 and 49,097.46

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Solution

The fourth proportional to 87,331.56, 120,516.45 and 49,097.46 is: 67,753.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,331.56 : 120,516.45 = 49,097.46 : x
  2. Step 2: Convert to fraction form
    87,331.56/120,516.45 = 49,097.46/x
  3. Step 3: Cross multiply
    87,331.56x = 120,516.45 × 49,097.46
  4. Step 4: Simplify right side
    87,331.56x = 5,917,051,583.22
  5. Step 5: Solve for x
    x = 5,917,051,583.22/87,331.56
  6. Step 6: Final answer
    x = 67,753.87

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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.