Home / 57,456.46-79,291.53-31,963.64

Finding the Fourth Proportional to 57,456.46, 79,291.53 and 31,963.64

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Solution

The fourth proportional to 57,456.46, 79,291.53 and 31,963.64 is: 44,110.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,456.46 : 79,291.53 = 31,963.64 : x
  2. Step 2: Convert to fraction form
    57,456.46/79,291.53 = 31,963.64/x
  3. Step 3: Cross multiply
    57,456.46x = 79,291.53 × 31,963.64
  4. Step 4: Simplify right side
    57,456.46x = 2,534,445,919.97
  5. Step 5: Solve for x
    x = 2,534,445,919.97/57,456.46
  6. Step 6: Final answer
    x = 44,110.72

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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.