Home / 83,981.18-126,002.46-39,023.30

Finding the Fourth Proportional to 83,981.18, 126,002.46 and 39,023.30

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Solution

The fourth proportional to 83,981.18, 126,002.46 and 39,023.30 is: 58,549.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,981.18 : 126,002.46 = 39,023.30 : x
  2. Step 2: Convert to fraction form
    83,981.18/126,002.46 = 39,023.30/x
  3. Step 3: Cross multiply
    83,981.18x = 126,002.46 × 39,023.30
  4. Step 4: Simplify right side
    83,981.18x = 4,917,031,797.32
  5. Step 5: Solve for x
    x = 4,917,031,797.32/83,981.18
  6. Step 6: Final answer
    x = 58,549.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.