Home / 95,640.40-131,983.38-53,198.94

Finding the Fourth Proportional to 95,640.40, 131,983.38 and 53,198.94

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Solution

The fourth proportional to 95,640.40, 131,983.38 and 53,198.94 is: 73,414.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,640.40 : 131,983.38 = 53,198.94 : x
  2. Step 2: Convert to fraction form
    95,640.40/131,983.38 = 53,198.94/x
  3. Step 3: Cross multiply
    95,640.40x = 131,983.38 × 53,198.94
  4. Step 4: Simplify right side
    95,640.40x = 7,021,375,913.62
  5. Step 5: Solve for x
    x = 7,021,375,913.62/95,640.40
  6. Step 6: Final answer
    x = 73,414.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.