Home / 105,474.58-158,125.20-49,286.92

Finding the Fourth Proportional to 105,474.58, 158,125.20 and 49,286.92

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Solution

The fourth proportional to 105,474.58, 158,125.20 and 49,286.92 is: 73,889.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,474.58 : 158,125.20 = 49,286.92 : x
  2. Step 2: Convert to fraction form
    105,474.58/158,125.20 = 49,286.92/x
  3. Step 3: Cross multiply
    105,474.58x = 158,125.20 × 49,286.92
  4. Step 4: Simplify right side
    105,474.58x = 7,793,504,082.38
  5. Step 5: Solve for x
    x = 7,793,504,082.38/105,474.58
  6. Step 6: Final answer
    x = 73,889.88

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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.