Home / 74,049.31-111,085.48-24,117.78

Finding the Fourth Proportional to 74,049.31, 111,085.48 and 24,117.78

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Solution

The fourth proportional to 74,049.31, 111,085.48 and 24,117.78 is: 36,180.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,049.31 : 111,085.48 = 24,117.78 : x
  2. Step 2: Convert to fraction form
    74,049.31/111,085.48 = 24,117.78/x
  3. Step 3: Cross multiply
    74,049.31x = 111,085.48 × 24,117.78
  4. Step 4: Simplify right side
    74,049.31x = 2,679,135,167.83
  5. Step 5: Solve for x
    x = 2,679,135,167.83/74,049.31
  6. Step 6: Final answer
    x = 36,180.42

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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.