Home / 74,481.06-111,686.43-27,062.70

Finding the Fourth Proportional to 74,481.06, 111,686.43 and 27,062.70

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Solution

The fourth proportional to 74,481.06, 111,686.43 and 27,062.70 is: 40,581.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,481.06 : 111,686.43 = 27,062.70 : x
  2. Step 2: Convert to fraction form
    74,481.06/111,686.43 = 27,062.70/x
  3. Step 3: Cross multiply
    74,481.06x = 111,686.43 × 27,062.70
  4. Step 4: Simplify right side
    74,481.06x = 3,022,536,349.16
  5. Step 5: Solve for x
    x = 3,022,536,349.16/74,481.06
  6. Step 6: Final answer
    x = 40,581.27

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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.