Home / 107,949.20-161,794.20-55,331.60

Finding the Fourth Proportional to 107,949.20, 161,794.20 and 55,331.60

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Solution

The fourth proportional to 107,949.20, 161,794.20 and 55,331.60 is: 82,930.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,949.20 : 161,794.20 = 55,331.60 : x
  2. Step 2: Convert to fraction form
    107,949.20/161,794.20 = 55,331.60/x
  3. Step 3: Cross multiply
    107,949.20x = 161,794.20 × 55,331.60
  4. Step 4: Simplify right side
    107,949.20x = 8,952,331,956.72
  5. Step 5: Solve for x
    x = 8,952,331,956.72/107,949.20
  6. Step 6: Final answer
    x = 82,930.97

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1.5x scale

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.