Home / 87,845.38-131,705.43-41,072.74

Finding the Fourth Proportional to 87,845.38, 131,705.43 and 41,072.74

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Solution

The fourth proportional to 87,845.38, 131,705.43 and 41,072.74 is: 61,579.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,845.38 : 131,705.43 = 41,072.74 : x
  2. Step 2: Convert to fraction form
    87,845.38/131,705.43 = 41,072.74/x
  3. Step 3: Cross multiply
    87,845.38x = 131,705.43 × 41,072.74
  4. Step 4: Simplify right side
    87,845.38x = 5,409,502,882.98
  5. Step 5: Solve for x
    x = 5,409,502,882.98/87,845.38
  6. Step 6: Final answer
    x = 61,579.82

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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.