Home / 106,337.12-159,505.68-31,451.44

Finding the Fourth Proportional to 106,337.12, 159,505.68 and 31,451.44

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Solution

The fourth proportional to 106,337.12, 159,505.68 and 31,451.44 is: 47,177.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,337.12 : 159,505.68 = 31,451.44 : x
  2. Step 2: Convert to fraction form
    106,337.12/159,505.68 = 31,451.44/x
  3. Step 3: Cross multiply
    106,337.12x = 159,505.68 × 31,451.44
  4. Step 4: Simplify right side
    106,337.12x = 5,016,683,324.18
  5. Step 5: Solve for x
    x = 5,016,683,324.18/106,337.12
  6. Step 6: Final answer
    x = 47,177.16

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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.