Home / 79,613.91-119,383.97-29,680.61

Finding the Fourth Proportional to 79,613.91, 119,383.97 and 29,680.61

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Solution

The fourth proportional to 79,613.91, 119,383.97 and 29,680.61 is: 44,507.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,613.91 : 119,383.97 = 29,680.61 : x
  2. Step 2: Convert to fraction form
    79,613.91/119,383.97 = 29,680.61/x
  3. Step 3: Cross multiply
    79,613.91x = 119,383.97 × 29,680.61
  4. Step 4: Simplify right side
    79,613.91x = 3,543,388,308.50
  5. Step 5: Solve for x
    x = 3,543,388,308.50/79,613.91
  6. Step 6: Final answer
    x = 44,507.15

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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.