Home / 73,942.56-110,912.22-20,633.12

Finding the Fourth Proportional to 73,942.56, 110,912.22 and 20,633.12

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Solution

The fourth proportional to 73,942.56, 110,912.22 and 20,633.12 is: 30,949.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,942.56 : 110,912.22 = 20,633.12 : x
  2. Step 2: Convert to fraction form
    73,942.56/110,912.22 = 20,633.12/x
  3. Step 3: Cross multiply
    73,942.56x = 110,912.22 × 20,633.12
  4. Step 4: Simplify right side
    73,942.56x = 2,288,465,006.09
  5. Step 5: Solve for x
    x = 2,288,465,006.09/73,942.56
  6. Step 6: Final answer
    x = 30,949.23

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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.