Home / 82,924.92-114,439.05-47,112.78

Finding the Fourth Proportional to 82,924.92, 114,439.05 and 47,112.78

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Solution

The fourth proportional to 82,924.92, 114,439.05 and 47,112.78 is: 65,017.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,924.92 : 114,439.05 = 47,112.78 : x
  2. Step 2: Convert to fraction form
    82,924.92/114,439.05 = 47,112.78/x
  3. Step 3: Cross multiply
    82,924.92x = 114,439.05 × 47,112.78
  4. Step 4: Simplify right side
    82,924.92x = 5,391,541,786.06
  5. Step 5: Solve for x
    x = 5,391,541,786.06/82,924.92
  6. Step 6: Final answer
    x = 65,017.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.