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Finding the Fourth Proportional to 80,279.81, 110,786.12 and 44,472.14

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Solution

The fourth proportional to 80,279.81, 110,786.12 and 44,472.14 is: 61,371.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,279.81 : 110,786.12 = 44,472.14 : x
  2. Step 2: Convert to fraction form
    80,279.81/110,786.12 = 44,472.14/x
  3. Step 3: Cross multiply
    80,279.81x = 110,786.12 × 44,472.14
  4. Step 4: Simplify right side
    80,279.81x = 4,926,895,284.77
  5. Step 5: Solve for x
    x = 4,926,895,284.77/80,279.81
  6. Step 6: Final answer
    x = 61,371.54

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1.5x scale

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.