Home / 106,711.38-159,939.20-49,708.44

Finding the Fourth Proportional to 106,711.38, 159,939.20 and 49,708.44

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Solution

The fourth proportional to 106,711.38, 159,939.20 and 49,708.44 is: 74,503.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,711.38 : 159,939.20 = 49,708.44 : x
  2. Step 2: Convert to fraction form
    106,711.38/159,939.20 = 49,708.44/x
  3. Step 3: Cross multiply
    106,711.38x = 159,939.20 × 49,708.44
  4. Step 4: Simplify right side
    106,711.38x = 7,950,328,126.85
  5. Step 5: Solve for x
    x = 7,950,328,126.85/106,711.38
  6. Step 6: Final answer
    x = 74,503.10

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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.