Home / 71,748.04-107,555.65-31,745.82

Finding the Fourth Proportional to 71,748.04, 107,555.65 and 31,745.82

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Solution

The fourth proportional to 71,748.04, 107,555.65 and 31,745.82 is: 47,589.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,748.04 : 107,555.65 = 31,745.82 : x
  2. Step 2: Convert to fraction form
    71,748.04/107,555.65 = 31,745.82/x
  3. Step 3: Cross multiply
    71,748.04x = 107,555.65 × 31,745.82
  4. Step 4: Simplify right side
    71,748.04x = 3,414,442,304.88
  5. Step 5: Solve for x
    x = 3,414,442,304.88/71,748.04
  6. Step 6: Final answer
    x = 47,589.35

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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.