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Finding the Fourth Proportional to 73,251.97, 109,877.96 and 33,787.56

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Solution

The fourth proportional to 73,251.97, 109,877.96 and 33,787.56 is: 50,681.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,251.97 : 109,877.96 = 33,787.56 : x
  2. Step 2: Convert to fraction form
    73,251.97/109,877.96 = 33,787.56/x
  3. Step 3: Cross multiply
    73,251.97x = 109,877.96 × 33,787.56
  4. Step 4: Simplify right side
    73,251.97x = 3,712,507,498.02
  5. Step 5: Solve for x
    x = 3,712,507,498.02/73,251.97
  6. Step 6: Final answer
    x = 50,681.33

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1.5x scale

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.