Home / 99,379.32-149,022.09-29,244.66

Finding the Fourth Proportional to 99,379.32, 149,022.09 and 29,244.66

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Solution

The fourth proportional to 99,379.32, 149,022.09 and 29,244.66 is: 43,853.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,379.32 : 149,022.09 = 29,244.66 : x
  2. Step 2: Convert to fraction form
    99,379.32/149,022.09 = 29,244.66/x
  3. Step 3: Cross multiply
    99,379.32x = 149,022.09 × 29,244.66
  4. Step 4: Simplify right side
    99,379.32x = 4,358,100,354.54
  5. Step 5: Solve for x
    x = 4,358,100,354.54/99,379.32
  6. Step 6: Final answer
    x = 43,853.19

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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.