Home / 107,932.92-161,608.80-70,399.92

Finding the Fourth Proportional to 107,932.92, 161,608.80 and 70,399.92

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Solution

The fourth proportional to 107,932.92, 161,608.80 and 70,399.92 is: 105,410.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,932.92 : 161,608.80 = 70,399.92 : x
  2. Step 2: Convert to fraction form
    107,932.92/161,608.80 = 70,399.92/x
  3. Step 3: Cross multiply
    107,932.92x = 161,608.80 × 70,399.92
  4. Step 4: Simplify right side
    107,932.92x = 11,377,246,591.30
  5. Step 5: Solve for x
    x = 11,377,246,591.30/107,932.92
  6. Step 6: Final answer
    x = 105,410.35

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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.