Home / 87,922.92-121,375.68-50,189.88

Finding the Fourth Proportional to 87,922.92, 121,375.68 and 50,189.88

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Solution

The fourth proportional to 87,922.92, 121,375.68 and 50,189.88 is: 69,286.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,922.92 : 121,375.68 = 50,189.88 : x
  2. Step 2: Convert to fraction form
    87,922.92/121,375.68 = 50,189.88/x
  3. Step 3: Cross multiply
    87,922.92x = 121,375.68 × 50,189.88
  4. Step 4: Simplify right side
    87,922.92x = 6,091,830,814.12
  5. Step 5: Solve for x
    x = 6,091,830,814.12/87,922.92
  6. Step 6: Final answer
    x = 69,286.04

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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.