Home / 49,755.20-68,685.66-31,860.59

Finding the Fourth Proportional to 49,755.20, 68,685.66 and 31,860.59

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Solution

The fourth proportional to 49,755.20, 68,685.66 and 31,860.59 is: 43,982.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,755.20 : 68,685.66 = 31,860.59 : x
  2. Step 2: Convert to fraction form
    49,755.20/68,685.66 = 31,860.59/x
  3. Step 3: Cross multiply
    49,755.20x = 68,685.66 × 31,860.59
  4. Step 4: Simplify right side
    49,755.20x = 2,188,365,308.71
  5. Step 5: Solve for x
    x = 2,188,365,308.71/49,755.20
  6. Step 6: Final answer
    x = 43,982.65

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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.