Home / 75,974.42-113,899.97-31,634.35

Finding the Fourth Proportional to 75,974.42, 113,899.97 and 31,634.35

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Solution

The fourth proportional to 75,974.42, 113,899.97 and 31,634.35 is: 47,425.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,974.42 : 113,899.97 = 31,634.35 : x
  2. Step 2: Convert to fraction form
    75,974.42/113,899.97 = 31,634.35/x
  3. Step 3: Cross multiply
    75,974.42x = 113,899.97 × 31,634.35
  4. Step 4: Simplify right side
    75,974.42x = 3,603,151,310.31
  5. Step 5: Solve for x
    x = 3,603,151,310.31/75,974.42
  6. Step 6: Final answer
    x = 47,425.85

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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.