Home / 87,049.92-130,571.28-27,888.96

Finding the Fourth Proportional to 87,049.92, 130,571.28 and 27,888.96

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Solution

The fourth proportional to 87,049.92, 130,571.28 and 27,888.96 is: 41,832.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,049.92 : 130,571.28 = 27,888.96 : x
  2. Step 2: Convert to fraction form
    87,049.92/130,571.28 = 27,888.96/x
  3. Step 3: Cross multiply
    87,049.92x = 130,571.28 × 27,888.96
  4. Step 4: Simplify right side
    87,049.92x = 3,641,497,205.07
  5. Step 5: Solve for x
    x = 3,641,497,205.07/87,049.92
  6. Step 6: Final answer
    x = 41,832.29

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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.