Home / 89,644.86-134,489.25-27,315.36

Finding the Fourth Proportional to 89,644.86, 134,489.25 and 27,315.36

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Solution

The fourth proportional to 89,644.86, 134,489.25 and 27,315.36 is: 40,979.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,644.86 : 134,489.25 = 27,315.36 : x
  2. Step 2: Convert to fraction form
    89,644.86/134,489.25 = 27,315.36/x
  3. Step 3: Cross multiply
    89,644.86x = 134,489.25 × 27,315.36
  4. Step 4: Simplify right side
    89,644.86x = 3,673,622,279.88
  5. Step 5: Solve for x
    x = 3,673,622,279.88/89,644.86
  6. Step 6: Final answer
    x = 40,979.73

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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.