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Finding the Fourth Proportional to 73,179.94, 100,982.74 and 44,495.61

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Solution

The fourth proportional to 73,179.94, 100,982.74 and 44,495.61 is: 61,400.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,179.94 : 100,982.74 = 44,495.61 : x
  2. Step 2: Convert to fraction form
    73,179.94/100,982.74 = 44,495.61/x
  3. Step 3: Cross multiply
    73,179.94x = 100,982.74 × 44,495.61
  4. Step 4: Simplify right side
    73,179.94x = 4,493,288,645.75
  5. Step 5: Solve for x
    x = 4,493,288,645.75/73,179.94
  6. Step 6: Final answer
    x = 61,400.55

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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.