Home / 87,821.01-131,731.38-25,491.51

Finding the Fourth Proportional to 87,821.01, 131,731.38 and 25,491.51

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Solution

The fourth proportional to 87,821.01, 131,731.38 and 25,491.51 is: 38,237.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,821.01 : 131,731.38 = 25,491.51 : x
  2. Step 2: Convert to fraction form
    87,821.01/131,731.38 = 25,491.51/x
  3. Step 3: Cross multiply
    87,821.01x = 131,731.38 × 25,491.51
  4. Step 4: Simplify right side
    87,821.01x = 3,358,031,790.58
  5. Step 5: Solve for x
    x = 3,358,031,790.58/87,821.01
  6. Step 6: Final answer
    x = 38,237.23

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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.