Home / 87,390.72-131,091.84-25,061.76

Finding the Fourth Proportional to 87,390.72, 131,091.84 and 25,061.76

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Solution

The fourth proportional to 87,390.72, 131,091.84 and 25,061.76 is: 37,594.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,390.72 : 131,091.84 = 25,061.76 : x
  2. Step 2: Convert to fraction form
    87,390.72/131,091.84 = 25,061.76/x
  3. Step 3: Cross multiply
    87,390.72x = 131,091.84 × 25,061.76
  4. Step 4: Simplify right side
    87,390.72x = 3,285,392,232.04
  5. Step 5: Solve for x
    x = 3,285,392,232.04/87,390.72
  6. Step 6: Final answer
    x = 37,594.29

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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.