Home / 57,354.33-79,161.62-31,869.44

Finding the Fourth Proportional to 57,354.33, 79,161.62 and 31,869.44

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Solution

The fourth proportional to 57,354.33, 79,161.62 and 31,869.44 is: 43,986.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,354.33 : 79,161.62 = 31,869.44 : x
  2. Step 2: Convert to fraction form
    57,354.33/79,161.62 = 31,869.44/x
  3. Step 3: Cross multiply
    57,354.33x = 79,161.62 × 31,869.44
  4. Step 4: Simplify right side
    57,354.33x = 2,522,836,498.89
  5. Step 5: Solve for x
    x = 2,522,836,498.89/57,354.33
  6. Step 6: Final answer
    x = 43,986.85

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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.