Home / 74,233.35-111,374.46-49,371.21

Finding the Fourth Proportional to 74,233.35, 111,374.46 and 49,371.21

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Solution

The fourth proportional to 74,233.35, 111,374.46 and 49,371.21 is: 74,073.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,233.35 : 111,374.46 = 49,371.21 : x
  2. Step 2: Convert to fraction form
    74,233.35/111,374.46 = 49,371.21/x
  3. Step 3: Cross multiply
    74,233.35x = 111,374.46 × 49,371.21
  4. Step 4: Simplify right side
    74,233.35x = 5,498,691,853.30
  5. Step 5: Solve for x
    x = 5,498,691,853.30/74,233.35
  6. Step 6: Final answer
    x = 74,073.07

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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.