Home / 45,785.92-68,616.42-28,022.74

Finding the Fourth Proportional to 45,785.92, 68,616.42 and 28,022.74

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Solution

The fourth proportional to 45,785.92, 68,616.42 and 28,022.74 is: 41,995.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,785.92 : 68,616.42 = 28,022.74 : x
  2. Step 2: Convert to fraction form
    45,785.92/68,616.42 = 28,022.74/x
  3. Step 3: Cross multiply
    45,785.92x = 68,616.42 × 28,022.74
  4. Step 4: Simplify right side
    45,785.92x = 1,922,820,097.39
  5. Step 5: Solve for x
    x = 1,922,820,097.39/45,785.92
  6. Step 6: Final answer
    x = 41,995.88

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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.