Home / 45,865.68-68,803.92-16,286.40

Finding the Fourth Proportional to 45,865.68, 68,803.92 and 16,286.40

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Solution

The fourth proportional to 45,865.68, 68,803.92 and 16,286.40 is: 24,431.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,865.68 : 68,803.92 = 16,286.40 : x
  2. Step 2: Convert to fraction form
    45,865.68/68,803.92 = 16,286.40/x
  3. Step 3: Cross multiply
    45,865.68x = 68,803.92 × 16,286.40
  4. Step 4: Simplify right side
    45,865.68x = 1,120,568,162.69
  5. Step 5: Solve for x
    x = 1,120,568,162.69/45,865.68
  6. Step 6: Final answer
    x = 24,431.52

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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.