Home / 75,354.89-113,052.03-43,734.56

Finding the Fourth Proportional to 75,354.89, 113,052.03 and 43,734.56

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Solution

The fourth proportional to 75,354.89, 113,052.03 and 43,734.56 is: 65,613.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,354.89 : 113,052.03 = 43,734.56 : x
  2. Step 2: Convert to fraction form
    75,354.89/113,052.03 = 43,734.56/x
  3. Step 3: Cross multiply
    75,354.89x = 113,052.03 × 43,734.56
  4. Step 4: Simplify right side
    75,354.89x = 4,944,280,789.16
  5. Step 5: Solve for x
    x = 4,944,280,789.16/75,354.89
  6. Step 6: Final answer
    x = 65,613.27

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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.