Home / 107,819.10-161,728.65-60,579.90

Finding the Fourth Proportional to 107,819.10, 161,728.65 and 60,579.90

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Solution

The fourth proportional to 107,819.10, 161,728.65 and 60,579.90 is: 90,869.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,819.10 : 161,728.65 = 60,579.90 : x
  2. Step 2: Convert to fraction form
    107,819.10/161,728.65 = 60,579.90/x
  3. Step 3: Cross multiply
    107,819.10x = 161,728.65 × 60,579.90
  4. Step 4: Simplify right side
    107,819.10x = 9,797,505,444.14
  5. Step 5: Solve for x
    x = 9,797,505,444.14/107,819.10
  6. Step 6: Final answer
    x = 90,869.85

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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.