Home / 71,849.24-107,731.56-27,479.24

Finding the Fourth Proportional to 71,849.24, 107,731.56 and 27,479.24

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Solution

The fourth proportional to 71,849.24, 107,731.56 and 27,479.24 is: 41,202.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,849.24 : 107,731.56 = 27,479.24 : x
  2. Step 2: Convert to fraction form
    71,849.24/107,731.56 = 27,479.24/x
  3. Step 3: Cross multiply
    71,849.24x = 107,731.56 × 27,479.24
  4. Step 4: Simplify right side
    71,849.24x = 2,960,381,392.81
  5. Step 5: Solve for x
    x = 2,960,381,392.81/71,849.24
  6. Step 6: Final answer
    x = 41,202.68

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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.