Home / 115,542.12-173,277.90-48,981

Finding the Fourth Proportional to 115,542.12, 173,277.90 and 48,981

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Solution

The fourth proportional to 115,542.12, 173,277.90 and 48,981 is: 73,456.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,542.12 : 173,277.90 = 48,981 : x
  2. Step 2: Convert to fraction form
    115,542.12/173,277.90 = 48,981/x
  3. Step 3: Cross multiply
    115,542.12x = 173,277.90 × 48,981
  4. Step 4: Simplify right side
    115,542.12x = 8,487,324,819.90
  5. Step 5: Solve for x
    x = 8,487,324,819.90/115,542.12
  6. Step 6: Final answer
    x = 73,456.54

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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.