Home / 87,753.28-121,101.60-50,031.04

Finding the Fourth Proportional to 87,753.28, 121,101.60 and 50,031.04

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Solution

The fourth proportional to 87,753.28, 121,101.60 and 50,031.04 is: 69,044.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,753.28 : 121,101.60 = 50,031.04 : x
  2. Step 2: Convert to fraction form
    87,753.28/121,101.60 = 50,031.04/x
  3. Step 3: Cross multiply
    87,753.28x = 121,101.60 × 50,031.04
  4. Step 4: Simplify right side
    87,753.28x = 6,058,838,993.66
  5. Step 5: Solve for x
    x = 6,058,838,993.66/87,753.28
  6. Step 6: Final answer
    x = 69,044.02

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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.