Home / 45,836.28-68,754.48-12,556.64

Finding the Fourth Proportional to 45,836.28, 68,754.48 and 12,556.64

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Solution

The fourth proportional to 45,836.28, 68,754.48 and 12,556.64 is: 18,834.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,836.28 : 68,754.48 = 12,556.64 : x
  2. Step 2: Convert to fraction form
    45,836.28/68,754.48 = 12,556.64/x
  3. Step 3: Cross multiply
    45,836.28x = 68,754.48 × 12,556.64
  4. Step 4: Simplify right side
    45,836.28x = 863,324,909.97
  5. Step 5: Solve for x
    x = 863,324,909.97/45,836.28
  6. Step 6: Final answer
    x = 18,834.97

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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.