Home / 82,313.36-123,469.56-19,983.44

Finding the Fourth Proportional to 82,313.36, 123,469.56 and 19,983.44

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Solution

The fourth proportional to 82,313.36, 123,469.56 and 19,983.44 is: 29,975.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,313.36 : 123,469.56 = 19,983.44 : x
  2. Step 2: Convert to fraction form
    82,313.36/123,469.56 = 19,983.44/x
  3. Step 3: Cross multiply
    82,313.36x = 123,469.56 × 19,983.44
  4. Step 4: Simplify right side
    82,313.36x = 2,467,346,544.09
  5. Step 5: Solve for x
    x = 2,467,346,544.09/82,313.36
  6. Step 6: Final answer
    x = 29,975.04

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1.5x scale

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.