Home / 67,528.78-101,305.05-25,972.54

Finding the Fourth Proportional to 67,528.78, 101,305.05 and 25,972.54

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Solution

The fourth proportional to 67,528.78, 101,305.05 and 25,972.54 is: 38,963.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,528.78 : 101,305.05 = 25,972.54 : x
  2. Step 2: Convert to fraction form
    67,528.78/101,305.05 = 25,972.54/x
  3. Step 3: Cross multiply
    67,528.78x = 101,305.05 × 25,972.54
  4. Step 4: Simplify right side
    67,528.78x = 2,631,149,463.33
  5. Step 5: Solve for x
    x = 2,631,149,463.33/67,528.78
  6. Step 6: Final answer
    x = 38,963.38

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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.