Home / 68,942.94-95,137.58-38,729.54

Finding the Fourth Proportional to 68,942.94, 95,137.58 and 38,729.54

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Solution

The fourth proportional to 68,942.94, 95,137.58 and 38,729.54 is: 53,444.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,942.94 : 95,137.58 = 38,729.54 : x
  2. Step 2: Convert to fraction form
    68,942.94/95,137.58 = 38,729.54/x
  3. Step 3: Cross multiply
    68,942.94x = 95,137.58 × 38,729.54
  4. Step 4: Simplify right side
    68,942.94x = 3,684,634,040.78
  5. Step 5: Solve for x
    x = 3,684,634,040.78/68,942.94
  6. Step 6: Final answer
    x = 53,444.69

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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.