Home / 53,906.20-80,859.30-49,067.80

Finding the Fourth Proportional to 53,906.20, 80,859.30 and 49,067.80

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Solution

The fourth proportional to 53,906.20, 80,859.30 and 49,067.80 is: 73,601.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,906.20 : 80,859.30 = 49,067.80 : x
  2. Step 2: Convert to fraction form
    53,906.20/80,859.30 = 49,067.80/x
  3. Step 3: Cross multiply
    53,906.20x = 80,859.30 × 49,067.80
  4. Step 4: Simplify right side
    53,906.20x = 3,967,587,960.54
  5. Step 5: Solve for x
    x = 3,967,587,960.54/53,906.20
  6. Step 6: Final answer
    x = 73,601.70

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1.5x scale

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.