Home / 53,610.97-80,542.11-50,581.40

Finding the Fourth Proportional to 53,610.97, 80,542.11 and 50,581.40

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Solution

The fourth proportional to 53,610.97, 80,542.11 and 50,581.40 is: 75,990.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,610.97 : 80,542.11 = 50,581.40 : x
  2. Step 2: Convert to fraction form
    53,610.97/80,542.11 = 50,581.40/x
  3. Step 3: Cross multiply
    53,610.97x = 80,542.11 × 50,581.40
  4. Step 4: Simplify right side
    53,610.97x = 4,073,932,682.75
  5. Step 5: Solve for x
    x = 4,073,932,682.75/53,610.97
  6. Step 6: Final answer
    x = 75,990.65

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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.