Home / 68,355.11-94,347.38-40,789.44

Finding the Fourth Proportional to 68,355.11, 94,347.38 and 40,789.44

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Solution

The fourth proportional to 68,355.11, 94,347.38 and 40,789.44 is: 56,299.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,355.11 : 94,347.38 = 40,789.44 : x
  2. Step 2: Convert to fraction form
    68,355.11/94,347.38 = 40,789.44/x
  3. Step 3: Cross multiply
    68,355.11x = 94,347.38 × 40,789.44
  4. Step 4: Simplify right side
    68,355.11x = 3,848,376,591.72
  5. Step 5: Solve for x
    x = 3,848,376,591.72/68,355.11
  6. Step 6: Final answer
    x = 56,299.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.