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Finding the Fourth Proportional to 66,604.62, 99,944.70 and 24,479.22

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Solution

The fourth proportional to 66,604.62, 99,944.70 and 24,479.22 is: 36,732.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,604.62 : 99,944.70 = 24,479.22 : x
  2. Step 2: Convert to fraction form
    66,604.62/99,944.70 = 24,479.22/x
  3. Step 3: Cross multiply
    66,604.62x = 99,944.70 × 24,479.22
  4. Step 4: Simplify right side
    66,604.62x = 2,446,568,299.13
  5. Step 5: Solve for x
    x = 2,446,568,299.13/66,604.62
  6. Step 6: Final answer
    x = 36,732.71

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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.