Home / 81,601.92-122,313.60-34,882.56

Finding the Fourth Proportional to 81,601.92, 122,313.60 and 34,882.56

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Solution

The fourth proportional to 81,601.92, 122,313.60 and 34,882.56 is: 52,285.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,601.92 : 122,313.60 = 34,882.56 : x
  2. Step 2: Convert to fraction form
    81,601.92/122,313.60 = 34,882.56/x
  3. Step 3: Cross multiply
    81,601.92x = 122,313.60 × 34,882.56
  4. Step 4: Simplify right side
    81,601.92x = 4,266,611,490.82
  5. Step 5: Solve for x
    x = 4,266,611,490.82/81,601.92
  6. Step 6: Final answer
    x = 52,285.68

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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.