Home / 82,179.06-123,221.05-32,200.64

Finding the Fourth Proportional to 82,179.06, 123,221.05 and 32,200.64

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Solution

The fourth proportional to 82,179.06, 123,221.05 and 32,200.64 is: 48,282.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,179.06 : 123,221.05 = 32,200.64 : x
  2. Step 2: Convert to fraction form
    82,179.06/123,221.05 = 32,200.64/x
  3. Step 3: Cross multiply
    82,179.06x = 123,221.05 × 32,200.64
  4. Step 4: Simplify right side
    82,179.06x = 3,967,796,436.94
  5. Step 5: Solve for x
    x = 3,967,796,436.94/82,179.06
  6. Step 6: Final answer
    x = 48,282.33

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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.