Home / 82,179.14-123,213.09-32,228.06

Finding the Fourth Proportional to 82,179.14, 123,213.09 and 32,228.06

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Solution

The fourth proportional to 82,179.14, 123,213.09 and 32,228.06 is: 48,320.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,179.14 : 123,213.09 = 32,228.06 : x
  2. Step 2: Convert to fraction form
    82,179.14/123,213.09 = 32,228.06/x
  3. Step 3: Cross multiply
    82,179.14x = 123,213.09 × 32,228.06
  4. Step 4: Simplify right side
    82,179.14x = 3,970,918,857.31
  5. Step 5: Solve for x
    x = 3,970,918,857.31/82,179.14
  6. Step 6: Final answer
    x = 48,320.28

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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.