Home / 57,338.20-79,125.46-31,843.12

Finding the Fourth Proportional to 57,338.20, 79,125.46 and 31,843.12

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Solution

The fourth proportional to 57,338.20, 79,125.46 and 31,843.12 is: 43,942.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,338.20 : 79,125.46 = 31,843.12 : x
  2. Step 2: Convert to fraction form
    57,338.20/79,125.46 = 31,843.12/x
  3. Step 3: Cross multiply
    57,338.20x = 79,125.46 × 31,843.12
  4. Step 4: Simplify right side
    57,338.20x = 2,519,601,517.84
  5. Step 5: Solve for x
    x = 2,519,601,517.84/57,338.20
  6. Step 6: Final answer
    x = 43,942.81

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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.