Home / 73,540.22-110,295.79-20,218.43

Finding the Fourth Proportional to 73,540.22, 110,295.79 and 20,218.43

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Solution

The fourth proportional to 73,540.22, 110,295.79 and 20,218.43 is: 30,323.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,540.22 : 110,295.79 = 20,218.43 : x
  2. Step 2: Convert to fraction form
    73,540.22/110,295.79 = 20,218.43/x
  3. Step 3: Cross multiply
    73,540.22x = 110,295.79 × 20,218.43
  4. Step 4: Simplify right side
    73,540.22x = 2,230,007,709.41
  5. Step 5: Solve for x
    x = 2,230,007,709.41/73,540.22
  6. Step 6: Final answer
    x = 30,323.65

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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.