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Finding the Fourth Proportional to 79,879.27, 110,232.66 and 44,069.56

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Solution

The fourth proportional to 79,879.27, 110,232.66 and 44,069.56 is: 60,815.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,879.27 : 110,232.66 = 44,069.56 : x
  2. Step 2: Convert to fraction form
    79,879.27/110,232.66 = 44,069.56/x
  3. Step 3: Cross multiply
    79,879.27x = 110,232.66 × 44,069.56
  4. Step 4: Simplify right side
    79,879.27x = 4,857,904,823.83
  5. Step 5: Solve for x
    x = 4,857,904,823.83/79,879.27
  6. Step 6: Final answer
    x = 60,815.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.