Home / 82,665.81-123,997.10-27,261.81

Finding the Fourth Proportional to 82,665.81, 123,997.10 and 27,261.81

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Solution

The fourth proportional to 82,665.81, 123,997.10 and 27,261.81 is: 40,892.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,665.81 : 123,997.10 = 27,261.81 : x
  2. Step 2: Convert to fraction form
    82,665.81/123,997.10 = 27,261.81/x
  3. Step 3: Cross multiply
    82,665.81x = 123,997.10 × 27,261.81
  4. Step 4: Simplify right side
    82,665.81x = 3,380,385,244.44
  5. Step 5: Solve for x
    x = 3,380,385,244.44/82,665.81
  6. Step 6: Final answer
    x = 40,892.18

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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.