Home / 71,778.24-107,698.56-27,418.56

Finding the Fourth Proportional to 71,778.24, 107,698.56 and 27,418.56

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Solution

The fourth proportional to 71,778.24, 107,698.56 and 27,418.56 is: 41,139.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,778.24 : 107,698.56 = 27,418.56 : x
  2. Step 2: Convert to fraction form
    71,778.24/107,698.56 = 27,418.56/x
  3. Step 3: Cross multiply
    71,778.24x = 107,698.56 × 27,418.56
  4. Step 4: Simplify right side
    71,778.24x = 2,952,939,429.27
  5. Step 5: Solve for x
    x = 2,952,939,429.27/71,778.24
  6. Step 6: Final answer
    x = 41,139.76

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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.