Home / 74,771.91-103,196.43-47,944.71

Finding the Fourth Proportional to 74,771.91, 103,196.43 and 47,944.71

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Solution

The fourth proportional to 74,771.91, 103,196.43 and 47,944.71 is: 66,170.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,771.91 : 103,196.43 = 47,944.71 : x
  2. Step 2: Convert to fraction form
    74,771.91/103,196.43 = 47,944.71/x
  3. Step 3: Cross multiply
    74,771.91x = 103,196.43 × 47,944.71
  4. Step 4: Simplify right side
    74,771.91x = 4,947,722,909.39
  5. Step 5: Solve for x
    x = 4,947,722,909.39/74,771.91
  6. Step 6: Final answer
    x = 66,170.88

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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.