Home / 84,004.11-125,962.42-39,618.95

Finding the Fourth Proportional to 84,004.11, 125,962.42 and 39,618.95

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Solution

The fourth proportional to 84,004.11, 125,962.42 and 39,618.95 is: 59,407.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,004.11 : 125,962.42 = 39,618.95 : x
  2. Step 2: Convert to fraction form
    84,004.11/125,962.42 = 39,618.95/x
  3. Step 3: Cross multiply
    84,004.11x = 125,962.42 × 39,618.95
  4. Step 4: Simplify right side
    84,004.11x = 4,990,498,819.86
  5. Step 5: Solve for x
    x = 4,990,498,819.86/84,004.11
  6. Step 6: Final answer
    x = 59,407.79

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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.