Home / 87,383.52-120,576.92-49,137.75

Finding the Fourth Proportional to 87,383.52, 120,576.92 and 49,137.75

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Solution

The fourth proportional to 87,383.52, 120,576.92 and 49,137.75 is: 67,803.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,383.52 : 120,576.92 = 49,137.75 : x
  2. Step 2: Convert to fraction form
    87,383.52/120,576.92 = 49,137.75/x
  3. Step 3: Cross multiply
    87,383.52x = 120,576.92 × 49,137.75
  4. Step 4: Simplify right side
    87,383.52x = 5,924,878,305.04
  5. Step 5: Solve for x
    x = 5,924,878,305.04/87,383.52
  6. Step 6: Final answer
    x = 67,803.15

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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.