Home / 87,002.03-120,062.76-49,276.28

Finding the Fourth Proportional to 87,002.03, 120,062.76 and 49,276.28

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Solution

The fourth proportional to 87,002.03, 120,062.76 and 49,276.28 is: 68,001.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,002.03 : 120,062.76 = 49,276.28 : x
  2. Step 2: Convert to fraction form
    87,002.03/120,062.76 = 49,276.28/x
  3. Step 3: Cross multiply
    87,002.03x = 120,062.76 × 49,276.28
  4. Step 4: Simplify right side
    87,002.03x = 5,916,246,294.70
  5. Step 5: Solve for x
    x = 5,916,246,294.70/87,002.03
  6. Step 6: Final answer
    x = 68,001.24

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1.5x scale

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.