Home / 80,249.31-110,738.01-43,942.80

Finding the Fourth Proportional to 80,249.31, 110,738.01 and 43,942.80

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Solution

The fourth proportional to 80,249.31, 110,738.01 and 43,942.80 is: 60,637.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,249.31 : 110,738.01 = 43,942.80 : x
  2. Step 2: Convert to fraction form
    80,249.31/110,738.01 = 43,942.80/x
  3. Step 3: Cross multiply
    80,249.31x = 110,738.01 × 43,942.80
  4. Step 4: Simplify right side
    80,249.31x = 4,866,138,225.83
  5. Step 5: Solve for x
    x = 4,866,138,225.83/80,249.31
  6. Step 6: Final answer
    x = 60,637.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.