Home / 74,654.64-111,943.26-22,057.20

Finding the Fourth Proportional to 74,654.64, 111,943.26 and 22,057.20

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Solution

The fourth proportional to 74,654.64, 111,943.26 and 22,057.20 is: 33,074.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,654.64 : 111,943.26 = 22,057.20 : x
  2. Step 2: Convert to fraction form
    74,654.64/111,943.26 = 22,057.20/x
  3. Step 3: Cross multiply
    74,654.64x = 111,943.26 × 22,057.20
  4. Step 4: Simplify right side
    74,654.64x = 2,469,154,874.47
  5. Step 5: Solve for x
    x = 2,469,154,874.47/74,654.64
  6. Step 6: Final answer
    x = 33,074.37

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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.