Home / 57,249.05-79,007.42-31,757.74

Finding the Fourth Proportional to 57,249.05, 79,007.42 and 31,757.74

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Solution

The fourth proportional to 57,249.05, 79,007.42 and 31,757.74 is: 43,827.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,249.05 : 79,007.42 = 31,757.74 : x
  2. Step 2: Convert to fraction form
    57,249.05/79,007.42 = 31,757.74/x
  3. Step 3: Cross multiply
    57,249.05x = 79,007.42 × 31,757.74
  4. Step 4: Simplify right side
    57,249.05x = 2,509,096,984.31
  5. Step 5: Solve for x
    x = 2,509,096,984.31/57,249.05
  6. Step 6: Final answer
    x = 43,827.75

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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.