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Finding the Fourth Proportional to 80,508.11, 111,096.05 and 44,698.11

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Solution

The fourth proportional to 80,508.11, 111,096.05 and 44,698.11 is: 61,680.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,508.11 : 111,096.05 = 44,698.11 : x
  2. Step 2: Convert to fraction form
    80,508.11/111,096.05 = 44,698.11/x
  3. Step 3: Cross multiply
    80,508.11x = 111,096.05 × 44,698.11
  4. Step 4: Simplify right side
    80,508.11x = 4,965,783,575.21
  5. Step 5: Solve for x
    x = 4,965,783,575.21/80,508.11
  6. Step 6: Final answer
    x = 61,680.54

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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.