Home / 74,392.68-111,589.60-27,645.50

Finding the Fourth Proportional to 74,392.68, 111,589.60 and 27,645.50

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Solution

The fourth proportional to 74,392.68, 111,589.60 and 27,645.50 is: 41,468.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,392.68 : 111,589.60 = 27,645.50 : x
  2. Step 2: Convert to fraction form
    74,392.68/111,589.60 = 27,645.50/x
  3. Step 3: Cross multiply
    74,392.68x = 111,589.60 × 27,645.50
  4. Step 4: Simplify right side
    74,392.68x = 3,084,950,286.80
  5. Step 5: Solve for x
    x = 3,084,950,286.80/74,392.68
  6. Step 6: Final answer
    x = 41,468.47

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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.