Home / 81,896.22-122,846.76-22,736.25

Finding the Fourth Proportional to 81,896.22, 122,846.76 and 22,736.25

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Solution

The fourth proportional to 81,896.22, 122,846.76 and 22,736.25 is: 34,105.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,896.22 : 122,846.76 = 22,736.25 : x
  2. Step 2: Convert to fraction form
    81,896.22/122,846.76 = 22,736.25/x
  3. Step 3: Cross multiply
    81,896.22x = 122,846.76 × 22,736.25
  4. Step 4: Simplify right side
    81,896.22x = 2,793,074,647.05
  5. Step 5: Solve for x
    x = 2,793,074,647.05/81,896.22
  6. Step 6: Final answer
    x = 34,105.05

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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.