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Finding the Fourth Proportional to 89,327.44, 133,794.33 and 49,786.48

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Solution

The fourth proportional to 89,327.44, 133,794.33 and 49,786.48 is: 74,570.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,327.44 : 133,794.33 = 49,786.48 : x
  2. Step 2: Convert to fraction form
    89,327.44/133,794.33 = 49,786.48/x
  3. Step 3: Cross multiply
    89,327.44x = 133,794.33 × 49,786.48
  4. Step 4: Simplify right side
    89,327.44x = 6,661,148,734.66
  5. Step 5: Solve for x
    x = 6,661,148,734.66/89,327.44
  6. Step 6: Final answer
    x = 74,570.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.