Home / 87,001.58-120,058.17-49,276.10

Finding the Fourth Proportional to 87,001.58, 120,058.17 and 49,276.10

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Solution

The fourth proportional to 87,001.58, 120,058.17 and 49,276.10 is: 67,998.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,001.58 : 120,058.17 = 49,276.10 : x
  2. Step 2: Convert to fraction form
    87,001.58/120,058.17 = 49,276.10/x
  3. Step 3: Cross multiply
    87,001.58x = 120,058.17 × 49,276.10
  4. Step 4: Simplify right side
    87,001.58x = 5,915,998,506.10
  5. Step 5: Solve for x
    x = 5,915,998,506.10/87,001.58
  6. Step 6: Final answer
    x = 67,998.75

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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.