Home / 79,439.91-119,149.25-29,513.19

Finding the Fourth Proportional to 79,439.91, 119,149.25 and 29,513.19

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Solution

The fourth proportional to 79,439.91, 119,149.25 and 29,513.19 is: 44,265.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,439.91 : 119,149.25 = 29,513.19 : x
  2. Step 2: Convert to fraction form
    79,439.91/119,149.25 = 29,513.19/x
  3. Step 3: Cross multiply
    79,439.91x = 119,149.25 × 29,513.19
  4. Step 4: Simplify right side
    79,439.91x = 3,516,474,752.85
  5. Step 5: Solve for x
    x = 3,516,474,752.85/79,439.91
  6. Step 6: Final answer
    x = 44,265.85

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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.