Home / 68,935.83-103,414.25-35,183.42

Finding the Fourth Proportional to 68,935.83, 103,414.25 and 35,183.42

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Solution

The fourth proportional to 68,935.83, 103,414.25 and 35,183.42 is: 52,780.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,935.83 : 103,414.25 = 35,183.42 : x
  2. Step 2: Convert to fraction form
    68,935.83/103,414.25 = 35,183.42/x
  3. Step 3: Cross multiply
    68,935.83x = 103,414.25 × 35,183.42
  4. Step 4: Simplify right side
    68,935.83x = 3,638,466,991.74
  5. Step 5: Solve for x
    x = 3,638,466,991.74/68,935.83
  6. Step 6: Final answer
    x = 52,780.49

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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.