Home / 87,317.27-130,882.65-49,796.55

Finding the Fourth Proportional to 87,317.27, 130,882.65 and 49,796.55

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Solution

The fourth proportional to 87,317.27, 130,882.65 and 49,796.55 is: 74,641.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,317.27 : 130,882.65 = 49,796.55 : x
  2. Step 2: Convert to fraction form
    87,317.27/130,882.65 = 49,796.55/x
  3. Step 3: Cross multiply
    87,317.27x = 130,882.65 × 49,796.55
  4. Step 4: Simplify right side
    87,317.27x = 6,517,503,940.04
  5. Step 5: Solve for x
    x = 6,517,503,940.04/87,317.27
  6. Step 6: Final answer
    x = 74,641.64

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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.