Home / 49,750.67-68,679.43-31,856.09

Finding the Fourth Proportional to 49,750.67, 68,679.43 and 31,856.09

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Solution

The fourth proportional to 49,750.67, 68,679.43 and 31,856.09 is: 43,976.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,750.67 : 68,679.43 = 31,856.09 : x
  2. Step 2: Convert to fraction form
    49,750.67/68,679.43 = 31,856.09/x
  3. Step 3: Cross multiply
    49,750.67x = 68,679.43 × 31,856.09
  4. Step 4: Simplify right side
    49,750.67x = 2,187,857,680.19
  5. Step 5: Solve for x
    x = 2,187,857,680.19/49,750.67
  6. Step 6: Final answer
    x = 43,976.44

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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.