Home / 87,905.70-131,867.73-25,576.20

Finding the Fourth Proportional to 87,905.70, 131,867.73 and 25,576.20

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Solution

The fourth proportional to 87,905.70, 131,867.73 and 25,576.20 is: 38,366.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,905.70 : 131,867.73 = 25,576.20 : x
  2. Step 2: Convert to fraction form
    87,905.70/131,867.73 = 25,576.20/x
  3. Step 3: Cross multiply
    87,905.70x = 131,867.73 × 25,576.20
  4. Step 4: Simplify right side
    87,905.70x = 3,372,675,436.03
  5. Step 5: Solve for x
    x = 3,372,675,436.03/87,905.70
  6. Step 6: Final answer
    x = 38,366.97

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1.5x scale

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.