Home / 87,174.33-120,296.61-53,177.41

Finding the Fourth Proportional to 87,174.33, 120,296.61 and 53,177.41

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Solution

The fourth proportional to 87,174.33, 120,296.61 and 53,177.41 is: 73,382.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,174.33 : 120,296.61 = 53,177.41 : x
  2. Step 2: Convert to fraction form
    87,174.33/120,296.61 = 53,177.41/x
  3. Step 3: Cross multiply
    87,174.33x = 120,296.61 × 53,177.41
  4. Step 4: Simplify right side
    87,174.33x = 6,397,062,151.58
  5. Step 5: Solve for x
    x = 6,397,062,151.58/87,174.33
  6. Step 6: Final answer
    x = 73,382.41

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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.