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Finding the Fourth Proportional to 80,299.32, 110,808.81 and 44,488.50

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Solution

The fourth proportional to 80,299.32, 110,808.81 and 44,488.50 is: 61,391.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,299.32 : 110,808.81 = 44,488.50 : x
  2. Step 2: Convert to fraction form
    80,299.32/110,808.81 = 44,488.50/x
  3. Step 3: Cross multiply
    80,299.32x = 110,808.81 × 44,488.50
  4. Step 4: Simplify right side
    80,299.32x = 4,929,717,743.69
  5. Step 5: Solve for x
    x = 4,929,717,743.69/80,299.32
  6. Step 6: Final answer
    x = 61,391.77

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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.