Home / 87,884.40-121,287.94-49,650.97

Finding the Fourth Proportional to 87,884.40, 121,287.94 and 49,650.97

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Solution

The fourth proportional to 87,884.40, 121,287.94 and 49,650.97 is: 68,522.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,884.40 : 121,287.94 = 49,650.97 : x
  2. Step 2: Convert to fraction form
    87,884.40/121,287.94 = 49,650.97/x
  3. Step 3: Cross multiply
    87,884.40x = 121,287.94 × 49,650.97
  4. Step 4: Simplify right side
    87,884.40x = 6,022,063,870.30
  5. Step 5: Solve for x
    x = 6,022,063,870.30/87,884.40
  6. Step 6: Final answer
    x = 68,522.56

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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.