Home / 76,822.22-115,285.42-26,902.73

Finding the Fourth Proportional to 76,822.22, 115,285.42 and 26,902.73

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Solution

The fourth proportional to 76,822.22, 115,285.42 and 26,902.73 is: 40,372.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,822.22 : 115,285.42 = 26,902.73 : x
  2. Step 2: Convert to fraction form
    76,822.22/115,285.42 = 26,902.73/x
  3. Step 3: Cross multiply
    76,822.22x = 115,285.42 × 26,902.73
  4. Step 4: Simplify right side
    76,822.22x = 3,101,491,950.77
  5. Step 5: Solve for x
    x = 3,101,491,950.77/76,822.22
  6. Step 6: Final answer
    x = 40,372.33

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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.