Home / 54,819.30-75,650.70-29,668.80

Finding the Fourth Proportional to 54,819.30, 75,650.70 and 29,668.80

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Solution

The fourth proportional to 54,819.30, 75,650.70 and 29,668.80 is: 40,942.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,819.30 : 75,650.70 = 29,668.80 : x
  2. Step 2: Convert to fraction form
    54,819.30/75,650.70 = 29,668.80/x
  3. Step 3: Cross multiply
    54,819.30x = 75,650.70 × 29,668.80
  4. Step 4: Simplify right side
    54,819.30x = 2,244,465,488.16
  5. Step 5: Solve for x
    x = 2,244,465,488.16/54,819.30
  6. Step 6: Final answer
    x = 40,942.98

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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.