Home / 87,834.56-131,755.49-25,505.06

Finding the Fourth Proportional to 87,834.56, 131,755.49 and 25,505.06

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Solution

The fourth proportional to 87,834.56, 131,755.49 and 25,505.06 is: 38,258.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,834.56 : 131,755.49 = 25,505.06 : x
  2. Step 2: Convert to fraction form
    87,834.56/131,755.49 = 25,505.06/x
  3. Step 3: Cross multiply
    87,834.56x = 131,755.49 × 25,505.06
  4. Step 4: Simplify right side
    87,834.56x = 3,360,431,975.29
  5. Step 5: Solve for x
    x = 3,360,431,975.29/87,834.56
  6. Step 6: Final answer
    x = 38,258.65

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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.