Home / 49,608.36-68,432.27-31,425.78

Finding the Fourth Proportional to 49,608.36, 68,432.27 and 31,425.78

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Solution

The fourth proportional to 49,608.36, 68,432.27 and 31,425.78 is: 43,350.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,608.36 : 68,432.27 = 31,425.78 : x
  2. Step 2: Convert to fraction form
    49,608.36/68,432.27 = 31,425.78/x
  3. Step 3: Cross multiply
    49,608.36x = 68,432.27 × 31,425.78
  4. Step 4: Simplify right side
    49,608.36x = 2,150,537,304.79
  5. Step 5: Solve for x
    x = 2,150,537,304.79/49,608.36
  6. Step 6: Final answer
    x = 43,350.30

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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.