Home / 95,780.49-131,956.83-75,629.85

Finding the Fourth Proportional to 95,780.49, 131,956.83 and 75,629.85

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Solution

The fourth proportional to 95,780.49, 131,956.83 and 75,629.85 is: 104,195.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,780.49 : 131,956.83 = 75,629.85 : x
  2. Step 2: Convert to fraction form
    95,780.49/131,956.83 = 75,629.85/x
  3. Step 3: Cross multiply
    95,780.49x = 131,956.83 × 75,629.85
  4. Step 4: Simplify right side
    95,780.49x = 9,979,875,259.38
  5. Step 5: Solve for x
    x = 9,979,875,259.38/95,780.49
  6. Step 6: Final answer
    x = 104,195.28

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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.