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Finding the Fourth Proportional to 54,265.70, 81,301.35 and 33,464.90

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Solution

The fourth proportional to 54,265.70, 81,301.35 and 33,464.90 is: 50,137.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,265.70 : 81,301.35 = 33,464.90 : x
  2. Step 2: Convert to fraction form
    54,265.70/81,301.35 = 33,464.90/x
  3. Step 3: Cross multiply
    54,265.70x = 81,301.35 × 33,464.90
  4. Step 4: Simplify right side
    54,265.70x = 2,720,741,547.62
  5. Step 5: Solve for x
    x = 2,720,741,547.62/54,265.70
  6. Step 6: Final answer
    x = 50,137.41

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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.