Home / 83,538.89-125,334.32-27,379.49

Finding the Fourth Proportional to 83,538.89, 125,334.32 and 27,379.49

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Solution

The fourth proportional to 83,538.89, 125,334.32 and 27,379.49 is: 41,077.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,538.89 : 125,334.32 = 27,379.49 : x
  2. Step 2: Convert to fraction form
    83,538.89/125,334.32 = 27,379.49/x
  3. Step 3: Cross multiply
    83,538.89x = 125,334.32 × 27,379.49
  4. Step 4: Simplify right side
    83,538.89x = 3,431,589,624.20
  5. Step 5: Solve for x
    x = 3,431,589,624.20/83,538.89
  6. Step 6: Final answer
    x = 41,077.75

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1.5x scale

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.