Home / 49,805.52-68,704.92-31,881.24

Finding the Fourth Proportional to 49,805.52, 68,704.92 and 31,881.24

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Solution

The fourth proportional to 49,805.52, 68,704.92 and 31,881.24 is: 43,979.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,805.52 : 68,704.92 = 31,881.24 : x
  2. Step 2: Convert to fraction form
    49,805.52/68,704.92 = 31,881.24/x
  3. Step 3: Cross multiply
    49,805.52x = 68,704.92 × 31,881.24
  4. Step 4: Simplify right side
    49,805.52x = 2,190,398,043.70
  5. Step 5: Solve for x
    x = 2,190,398,043.70/49,805.52
  6. Step 6: Final answer
    x = 43,979.02

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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.