Home / 69,721.75-96,469.35-60,787.86

Finding the Fourth Proportional to 69,721.75, 96,469.35 and 60,787.86

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Solution

The fourth proportional to 69,721.75, 96,469.35 and 60,787.86 is: 84,108.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,721.75 : 96,469.35 = 60,787.86 : x
  2. Step 2: Convert to fraction form
    69,721.75/96,469.35 = 60,787.86/x
  3. Step 3: Cross multiply
    69,721.75x = 96,469.35 × 60,787.86
  4. Step 4: Simplify right side
    69,721.75x = 5,864,165,342.09
  5. Step 5: Solve for x
    x = 5,864,165,342.09/69,721.75
  6. Step 6: Final answer
    x = 84,108.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.