Home / 82,171.14-123,201.09-32,220.06

Finding the Fourth Proportional to 82,171.14, 123,201.09 and 32,220.06

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Solution

The fourth proportional to 82,171.14, 123,201.09 and 32,220.06 is: 48,308.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,171.14 : 123,201.09 = 32,220.06 : x
  2. Step 2: Convert to fraction form
    82,171.14/123,201.09 = 32,220.06/x
  3. Step 3: Cross multiply
    82,171.14x = 123,201.09 × 32,220.06
  4. Step 4: Simplify right side
    82,171.14x = 3,969,546,511.87
  5. Step 5: Solve for x
    x = 3,969,546,511.87/82,171.14
  6. Step 6: Final answer
    x = 48,308.28

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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.