Home / 106,383.38-159,611.52-36,311.90

Finding the Fourth Proportional to 106,383.38, 159,611.52 and 36,311.90

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Solution

The fourth proportional to 106,383.38, 159,611.52 and 36,311.90 is: 54,480.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,383.38 : 159,611.52 = 36,311.90 : x
  2. Step 2: Convert to fraction form
    106,383.38/159,611.52 = 36,311.90/x
  3. Step 3: Cross multiply
    106,383.38x = 159,611.52 × 36,311.90
  4. Step 4: Simplify right side
    106,383.38x = 5,795,797,553.09
  5. Step 5: Solve for x
    x = 5,795,797,553.09/106,383.38
  6. Step 6: Final answer
    x = 54,480.29

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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.