Home / 107,446.52-161,114.15-48,231.20

Finding the Fourth Proportional to 107,446.52, 161,114.15 and 48,231.20

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Solution

The fourth proportional to 107,446.52, 161,114.15 and 48,231.20 is: 72,321.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,446.52 : 161,114.15 = 48,231.20 : x
  2. Step 2: Convert to fraction form
    107,446.52/161,114.15 = 48,231.20/x
  3. Step 3: Cross multiply
    107,446.52x = 161,114.15 × 48,231.20
  4. Step 4: Simplify right side
    107,446.52x = 7,770,727,744.75
  5. Step 5: Solve for x
    x = 7,770,727,744.75/107,446.52
  6. Step 6: Final answer
    x = 72,321.82

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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.