Home / 74,231.78-111,320.04-29,843.60

Finding the Fourth Proportional to 74,231.78, 111,320.04 and 29,843.60

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Solution

The fourth proportional to 74,231.78, 111,320.04 and 29,843.60 is: 44,754.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,231.78 : 111,320.04 = 29,843.60 : x
  2. Step 2: Convert to fraction form
    74,231.78/111,320.04 = 29,843.60/x
  3. Step 3: Cross multiply
    74,231.78x = 111,320.04 × 29,843.60
  4. Step 4: Simplify right side
    74,231.78x = 3,322,190,745.74
  5. Step 5: Solve for x
    x = 3,322,190,745.74/74,231.78
  6. Step 6: Final answer
    x = 44,754.29

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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.