Home / 82,708.35-124,083.31-26,553.48

Finding the Fourth Proportional to 82,708.35, 124,083.31 and 26,553.48

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Solution

The fourth proportional to 82,708.35, 124,083.31 and 26,553.48 is: 39,836.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,708.35 : 124,083.31 = 26,553.48 : x
  2. Step 2: Convert to fraction form
    82,708.35/124,083.31 = 26,553.48/x
  3. Step 3: Cross multiply
    82,708.35x = 124,083.31 × 26,553.48
  4. Step 4: Simplify right side
    82,708.35x = 3,294,843,690.42
  5. Step 5: Solve for x
    x = 3,294,843,690.42/82,708.35
  6. Step 6: Final answer
    x = 39,836.89

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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.