Home / 71,582.56-107,349.52-27,198.64

Finding the Fourth Proportional to 71,582.56, 107,349.52 and 27,198.64

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Solution

The fourth proportional to 71,582.56, 107,349.52 and 27,198.64 is: 40,788.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,582.56 : 107,349.52 = 27,198.64 : x
  2. Step 2: Convert to fraction form
    71,582.56/107,349.52 = 27,198.64/x
  3. Step 3: Cross multiply
    71,582.56x = 107,349.52 × 27,198.64
  4. Step 4: Simplify right side
    71,582.56x = 2,919,760,948.65
  5. Step 5: Solve for x
    x = 2,919,760,948.65/71,582.56
  6. Step 6: Final answer
    x = 40,788.72

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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.