Home / 57,816.72-79,785.09-33,942.78

Finding the Fourth Proportional to 57,816.72, 79,785.09 and 33,942.78

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Solution

The fourth proportional to 57,816.72, 79,785.09 and 33,942.78 is: 46,839.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,816.72 : 79,785.09 = 33,942.78 : x
  2. Step 2: Convert to fraction form
    57,816.72/79,785.09 = 33,942.78/x
  3. Step 3: Cross multiply
    57,816.72x = 79,785.09 × 33,942.78
  4. Step 4: Simplify right side
    57,816.72x = 2,708,127,757.15
  5. Step 5: Solve for x
    x = 2,708,127,757.15/57,816.72
  6. Step 6: Final answer
    x = 46,839.87

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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.