Home / 74,215.20-111,351-44,653.44

Finding the Fourth Proportional to 74,215.20, 111,351 and 44,653.44

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Solution

The fourth proportional to 74,215.20, 111,351 and 44,653.44 is: 66,997.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,215.20 : 111,351 = 44,653.44 : x
  2. Step 2: Convert to fraction form
    74,215.20/111,351 = 44,653.44/x
  3. Step 3: Cross multiply
    74,215.20x = 111,351 × 44,653.44
  4. Step 4: Simplify right side
    74,215.20x = 4,972,205,197.44
  5. Step 5: Solve for x
    x = 4,972,205,197.44/74,215.20
  6. Step 6: Final answer
    x = 66,997.13

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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.