Home / 89,617.38-134,426.07-27,287.88

Finding the Fourth Proportional to 89,617.38, 134,426.07 and 27,287.88

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Solution

The fourth proportional to 89,617.38, 134,426.07 and 27,287.88 is: 40,931.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,617.38 : 134,426.07 = 27,287.88 : x
  2. Step 2: Convert to fraction form
    89,617.38/134,426.07 = 27,287.88/x
  3. Step 3: Cross multiply
    89,617.38x = 134,426.07 × 27,287.88
  4. Step 4: Simplify right side
    89,617.38x = 3,668,201,658.46
  5. Step 5: Solve for x
    x = 3,668,201,658.46/89,617.38
  6. Step 6: Final answer
    x = 40,931.81

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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.