Home / 87,001.52-120,058.08-49,276.04

Finding the Fourth Proportional to 87,001.52, 120,058.08 and 49,276.04

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Solution

The fourth proportional to 87,001.52, 120,058.08 and 49,276.04 is: 67,998.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,001.52 : 120,058.08 = 49,276.04 : x
  2. Step 2: Convert to fraction form
    87,001.52/120,058.08 = 49,276.04/x
  3. Step 3: Cross multiply
    87,001.52x = 120,058.08 × 49,276.04
  4. Step 4: Simplify right side
    87,001.52x = 5,915,986,752.40
  5. Step 5: Solve for x
    x = 5,915,986,752.40/87,001.52
  6. Step 6: Final answer
    x = 67,998.66

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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.