Home / 45,912.14-68,868.09-25,912.56

Finding the Fourth Proportional to 45,912.14, 68,868.09 and 25,912.56

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Solution

The fourth proportional to 45,912.14, 68,868.09 and 25,912.56 is: 38,868.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,912.14 : 68,868.09 = 25,912.56 : x
  2. Step 2: Convert to fraction form
    45,912.14/68,868.09 = 25,912.56/x
  3. Step 3: Cross multiply
    45,912.14x = 68,868.09 × 25,912.56
  4. Step 4: Simplify right side
    45,912.14x = 1,784,548,514.21
  5. Step 5: Solve for x
    x = 1,784,548,514.21/45,912.14
  6. Step 6: Final answer
    x = 38,868.78

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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.