Home / 87,568.98-131,371.91-28,400.03

Finding the Fourth Proportional to 87,568.98, 131,371.91 and 28,400.03

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Solution

The fourth proportional to 87,568.98, 131,371.91 and 28,400.03 is: 42,606.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,568.98 : 131,371.91 = 28,400.03 : x
  2. Step 2: Convert to fraction form
    87,568.98/131,371.91 = 28,400.03/x
  3. Step 3: Cross multiply
    87,568.98x = 131,371.91 × 28,400.03
  4. Step 4: Simplify right side
    87,568.98x = 3,730,965,386.30
  5. Step 5: Solve for x
    x = 3,730,965,386.30/87,568.98
  6. Step 6: Final answer
    x = 42,606.02

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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.