Home / 96,727.30-145,206.15-54,640.90

Finding the Fourth Proportional to 96,727.30, 145,206.15 and 54,640.90

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Solution

The fourth proportional to 96,727.30, 145,206.15 and 54,640.90 is: 82,026.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,727.30 : 145,206.15 = 54,640.90 : x
  2. Step 2: Convert to fraction form
    96,727.30/145,206.15 = 54,640.90/x
  3. Step 3: Cross multiply
    96,727.30x = 145,206.15 × 54,640.90
  4. Step 4: Simplify right side
    96,727.30x = 7,934,194,721.54
  5. Step 5: Solve for x
    x = 7,934,194,721.54/96,727.30
  6. Step 6: Final answer
    x = 82,026.43

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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.