Home / 75,906.55-113,863.97-31,537.79

Finding the Fourth Proportional to 75,906.55, 113,863.97 and 31,537.79

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Solution

The fourth proportional to 75,906.55, 113,863.97 and 31,537.79 is: 47,308.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,906.55 : 113,863.97 = 31,537.79 : x
  2. Step 2: Convert to fraction form
    75,906.55/113,863.97 = 31,537.79/x
  3. Step 3: Cross multiply
    75,906.55x = 113,863.97 × 31,537.79
  4. Step 4: Simplify right side
    75,906.55x = 3,591,017,405.11
  5. Step 5: Solve for x
    x = 3,591,017,405.11/75,906.55
  6. Step 6: Final answer
    x = 47,308.40

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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.