Home / 107,838.12-161,778.24-32,961.72

Finding the Fourth Proportional to 107,838.12, 161,778.24 and 32,961.72

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Solution

The fourth proportional to 107,838.12, 161,778.24 and 32,961.72 is: 49,449.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,838.12 : 161,778.24 = 32,961.72 : x
  2. Step 2: Convert to fraction form
    107,838.12/161,778.24 = 32,961.72/x
  3. Step 3: Cross multiply
    107,838.12x = 161,778.24 × 32,961.72
  4. Step 4: Simplify right side
    107,838.12x = 5,332,489,048.97
  5. Step 5: Solve for x
    x = 5,332,489,048.97/107,838.12
  6. Step 6: Final answer
    x = 49,449.02

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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.