Home / 74,540.66-111,733.21-30,198.02

Finding the Fourth Proportional to 74,540.66, 111,733.21 and 30,198.02

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Solution

The fourth proportional to 74,540.66, 111,733.21 and 30,198.02 is: 45,265.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,540.66 : 111,733.21 = 30,198.02 : x
  2. Step 2: Convert to fraction form
    74,540.66/111,733.21 = 30,198.02/x
  3. Step 3: Cross multiply
    74,540.66x = 111,733.21 × 30,198.02
  4. Step 4: Simplify right side
    74,540.66x = 3,374,121,710.24
  5. Step 5: Solve for x
    x = 3,374,121,710.24/74,540.66
  6. Step 6: Final answer
    x = 45,265.52

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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.