Home / 84,082.32-126,091.98-27,912.06

Finding the Fourth Proportional to 84,082.32, 126,091.98 and 27,912.06

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Solution

The fourth proportional to 84,082.32, 126,091.98 and 27,912.06 is: 41,857.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,082.32 : 126,091.98 = 27,912.06 : x
  2. Step 2: Convert to fraction form
    84,082.32/126,091.98 = 27,912.06/x
  3. Step 3: Cross multiply
    84,082.32x = 126,091.98 × 27,912.06
  4. Step 4: Simplify right side
    84,082.32x = 3,519,486,911.28
  5. Step 5: Solve for x
    x = 3,519,486,911.28/84,082.32
  6. Step 6: Final answer
    x = 41,857.63

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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.