Home / 89,489.25-134,234.69-27,159.75

Finding the Fourth Proportional to 89,489.25, 134,234.69 and 27,159.75

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Solution

The fourth proportional to 89,489.25, 134,234.69 and 27,159.75 is: 40,739.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,489.25 : 134,234.69 = 27,159.75 : x
  2. Step 2: Convert to fraction form
    89,489.25/134,234.69 = 27,159.75/x
  3. Step 3: Cross multiply
    89,489.25x = 134,234.69 × 27,159.75
  4. Step 4: Simplify right side
    89,489.25x = 3,645,780,485.93
  5. Step 5: Solve for x
    x = 3,645,780,485.93/89,489.25
  6. Step 6: Final answer
    x = 40,739.87

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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.