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Finding the Fourth Proportional to 74,614.97, 111,961.34 and 33,052.25

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Solution

The fourth proportional to 74,614.97, 111,961.34 and 33,052.25 is: 49,595.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,614.97 : 111,961.34 = 33,052.25 : x
  2. Step 2: Convert to fraction form
    74,614.97/111,961.34 = 33,052.25/x
  3. Step 3: Cross multiply
    74,614.97x = 111,961.34 × 33,052.25
  4. Step 4: Simplify right side
    74,614.97x = 3,700,574,034.75
  5. Step 5: Solve for x
    x = 3,700,574,034.75/74,614.97
  6. Step 6: Final answer
    x = 49,595.60

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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.