Home / 75,462.82-113,217.92-31,110.46

Finding the Fourth Proportional to 75,462.82, 113,217.92 and 31,110.46

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Solution

The fourth proportional to 75,462.82, 113,217.92 and 31,110.46 is: 46,675.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,462.82 : 113,217.92 = 31,110.46 : x
  2. Step 2: Convert to fraction form
    75,462.82/113,217.92 = 31,110.46/x
  3. Step 3: Cross multiply
    75,462.82x = 113,217.92 × 31,110.46
  4. Step 4: Simplify right side
    75,462.82x = 3,522,261,571.44
  5. Step 5: Solve for x
    x = 3,522,261,571.44/75,462.82
  6. Step 6: Final answer
    x = 46,675.46

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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.