Home / 72,164.13-108,246.33-27,811.77

Finding the Fourth Proportional to 72,164.13, 108,246.33 and 27,811.77

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Solution

The fourth proportional to 72,164.13, 108,246.33 and 27,811.77 is: 41,717.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,164.13 : 108,246.33 = 27,811.77 : x
  2. Step 2: Convert to fraction form
    72,164.13/108,246.33 = 27,811.77/x
  3. Step 3: Cross multiply
    72,164.13x = 108,246.33 × 27,811.77
  4. Step 4: Simplify right side
    72,164.13x = 3,010,522,033.30
  5. Step 5: Solve for x
    x = 3,010,522,033.30/72,164.13
  6. Step 6: Final answer
    x = 41,717.71

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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.