Home / 74,481.38-111,686.96-27,063.04

Finding the Fourth Proportional to 74,481.38, 111,686.96 and 27,063.04

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Solution

The fourth proportional to 74,481.38, 111,686.96 and 27,063.04 is: 40,581.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,481.38 : 111,686.96 = 27,063.04 : x
  2. Step 2: Convert to fraction form
    74,481.38/111,686.96 = 27,063.04/x
  3. Step 3: Cross multiply
    74,481.38x = 111,686.96 × 27,063.04
  4. Step 4: Simplify right side
    74,481.38x = 3,022,588,665.96
  5. Step 5: Solve for x
    x = 3,022,588,665.96/74,481.38
  6. Step 6: Final answer
    x = 40,581.80

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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.