Home / 76,558.56-114,768.64-27,299.04

Finding the Fourth Proportional to 76,558.56, 114,768.64 and 27,299.04

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Solution

The fourth proportional to 76,558.56, 114,768.64 and 27,299.04 is: 40,923.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,558.56 : 114,768.64 = 27,299.04 : x
  2. Step 2: Convert to fraction form
    76,558.56/114,768.64 = 27,299.04/x
  3. Step 3: Cross multiply
    76,558.56x = 114,768.64 × 27,299.04
  4. Step 4: Simplify right side
    76,558.56x = 3,133,073,694.11
  5. Step 5: Solve for x
    x = 3,133,073,694.11/76,558.56
  6. Step 6: Final answer
    x = 40,923.88

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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.