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Finding the Fourth Proportional to 73,331.48, 109,914.18 and 50,551.48

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Solution

The fourth proportional to 73,331.48, 109,914.18 and 50,551.48 is: 75,769.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,331.48 : 109,914.18 = 50,551.48 : x
  2. Step 2: Convert to fraction form
    73,331.48/109,914.18 = 50,551.48/x
  3. Step 3: Cross multiply
    73,331.48x = 109,914.18 × 50,551.48
  4. Step 4: Simplify right side
    73,331.48x = 5,556,324,336.33
  5. Step 5: Solve for x
    x = 5,556,324,336.33/73,331.48
  6. Step 6: Final answer
    x = 75,769.98

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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.