Home / 75,731.22-113,617.87-33,040.37

Finding the Fourth Proportional to 75,731.22, 113,617.87 and 33,040.37

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Solution

The fourth proportional to 75,731.22, 113,617.87 and 33,040.37 is: 49,569.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,731.22 : 113,617.87 = 33,040.37 : x
  2. Step 2: Convert to fraction form
    75,731.22/113,617.87 = 33,040.37/x
  3. Step 3: Cross multiply
    75,731.22x = 113,617.87 × 33,040.37
  4. Step 4: Simplify right side
    75,731.22x = 3,753,976,664.86
  5. Step 5: Solve for x
    x = 3,753,976,664.86/75,731.22
  6. Step 6: Final answer
    x = 49,569.74

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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.