Home / 81,726.96-122,593.83-25,568.15

Finding the Fourth Proportional to 81,726.96, 122,593.83 and 25,568.15

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Solution

The fourth proportional to 81,726.96, 122,593.83 and 25,568.15 is: 38,353.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,726.96 : 122,593.83 = 25,568.15 : x
  2. Step 2: Convert to fraction form
    81,726.96/122,593.83 = 25,568.15/x
  3. Step 3: Cross multiply
    81,726.96x = 122,593.83 × 25,568.15
  4. Step 4: Simplify right side
    81,726.96x = 3,134,496,821.55
  5. Step 5: Solve for x
    x = 3,134,496,821.55/81,726.96
  6. Step 6: Final answer
    x = 38,353.28

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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.