Home / 82,910.48-124,383.42-26,753.78

Finding the Fourth Proportional to 82,910.48, 124,383.42 and 26,753.78

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Solution

The fourth proportional to 82,910.48, 124,383.42 and 26,753.78 is: 40,136.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,910.48 : 124,383.42 = 26,753.78 : x
  2. Step 2: Convert to fraction form
    82,910.48/124,383.42 = 26,753.78/x
  3. Step 3: Cross multiply
    82,910.48x = 124,383.42 × 26,753.78
  4. Step 4: Simplify right side
    82,910.48x = 3,327,726,032.41
  5. Step 5: Solve for x
    x = 3,327,726,032.41/82,910.48
  6. Step 6: Final answer
    x = 40,136.38

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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.