Home / 82,821.66-124,229.54-26,665.56

Finding the Fourth Proportional to 82,821.66, 124,229.54 and 26,665.56

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Solution

The fourth proportional to 82,821.66, 124,229.54 and 26,665.56 is: 39,997.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,821.66 : 124,229.54 = 26,665.56 : x
  2. Step 2: Convert to fraction form
    82,821.66/124,229.54 = 26,665.56/x
  3. Step 3: Cross multiply
    82,821.66x = 124,229.54 × 26,665.56
  4. Step 4: Simplify right side
    82,821.66x = 3,312,650,252.64
  5. Step 5: Solve for x
    x = 3,312,650,252.64/82,821.66
  6. Step 6: Final answer
    x = 39,997.39

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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.