Home / 109,046.12-163,591.11-38,923.61

Finding the Fourth Proportional to 109,046.12, 163,591.11 and 38,923.61

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Solution

The fourth proportional to 109,046.12, 163,591.11 and 38,923.61 is: 58,393.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,046.12 : 163,591.11 = 38,923.61 : x
  2. Step 2: Convert to fraction form
    109,046.12/163,591.11 = 38,923.61/x
  3. Step 3: Cross multiply
    109,046.12x = 163,591.11 × 38,923.61
  4. Step 4: Simplify right side
    109,046.12x = 6,367,555,747.15
  5. Step 5: Solve for x
    x = 6,367,555,747.15/109,046.12
  6. Step 6: Final answer
    x = 58,393.24

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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.