Home / 87,919.65-131,801.72-41,159.97

Finding the Fourth Proportional to 87,919.65, 131,801.72 and 41,159.97

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Solution

The fourth proportional to 87,919.65, 131,801.72 and 41,159.97 is: 61,703.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,919.65 : 131,801.72 = 41,159.97 : x
  2. Step 2: Convert to fraction form
    87,919.65/131,801.72 = 41,159.97/x
  3. Step 3: Cross multiply
    87,919.65x = 131,801.72 × 41,159.97
  4. Step 4: Simplify right side
    87,919.65x = 5,424,954,635.35
  5. Step 5: Solve for x
    x = 5,424,954,635.35/87,919.65
  6. Step 6: Final answer
    x = 61,703.55

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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.