Home / 95,839.92-143,761.38-28,378.80

Finding the Fourth Proportional to 95,839.92, 143,761.38 and 28,378.80

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Solution

The fourth proportional to 95,839.92, 143,761.38 and 28,378.80 is: 42,568.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,839.92 : 143,761.38 = 28,378.80 : x
  2. Step 2: Convert to fraction form
    95,839.92/143,761.38 = 28,378.80/x
  3. Step 3: Cross multiply
    95,839.92x = 143,761.38 × 28,378.80
  4. Step 4: Simplify right side
    95,839.92x = 4,079,775,450.74
  5. Step 5: Solve for x
    x = 4,079,775,450.74/95,839.92
  6. Step 6: Final answer
    x = 42,568.64

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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.