Home / 82,009.26-123,018.48-25,850.88

Finding the Fourth Proportional to 82,009.26, 123,018.48 and 25,850.88

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Solution

The fourth proportional to 82,009.26, 123,018.48 and 25,850.88 is: 38,777.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,009.26 : 123,018.48 = 25,850.88 : x
  2. Step 2: Convert to fraction form
    82,009.26/123,018.48 = 25,850.88/x
  3. Step 3: Cross multiply
    82,009.26x = 123,018.48 × 25,850.88
  4. Step 4: Simplify right side
    82,009.26x = 3,180,135,964.26
  5. Step 5: Solve for x
    x = 3,180,135,964.26/82,009.26
  6. Step 6: Final answer
    x = 38,777.77

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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.