Home / 74,288.62-111,449.32-27,541.48

Finding the Fourth Proportional to 74,288.62, 111,449.32 and 27,541.48

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Solution

The fourth proportional to 74,288.62, 111,449.32 and 27,541.48 is: 41,318.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,288.62 : 111,449.32 = 27,541.48 : x
  2. Step 2: Convert to fraction form
    74,288.62/111,449.32 = 27,541.48/x
  3. Step 3: Cross multiply
    74,288.62x = 111,449.32 × 27,541.48
  4. Step 4: Simplify right side
    74,288.62x = 3,069,479,217.79
  5. Step 5: Solve for x
    x = 3,069,479,217.79/74,288.62
  6. Step 6: Final answer
    x = 41,318.30

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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.