Home / 68,845.82-103,268.72-22,131.50

Finding the Fourth Proportional to 68,845.82, 103,268.72 and 22,131.50

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Solution

The fourth proportional to 68,845.82, 103,268.72 and 22,131.50 is: 33,197.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,845.82 : 103,268.72 = 22,131.50 : x
  2. Step 2: Convert to fraction form
    68,845.82/103,268.72 = 22,131.50/x
  3. Step 3: Cross multiply
    68,845.82x = 103,268.72 × 22,131.50
  4. Step 4: Simplify right side
    68,845.82x = 2,285,491,215.67
  5. Step 5: Solve for x
    x = 2,285,491,215.67/68,845.82
  6. Step 6: Final answer
    x = 33,197.24

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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.