Home / 68,903.14-95,091.83-38,690.48

Finding the Fourth Proportional to 68,903.14, 95,091.83 and 38,690.48

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Solution

The fourth proportional to 68,903.14, 95,091.83 and 38,690.48 is: 53,395.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,903.14 : 95,091.83 = 38,690.48 : x
  2. Step 2: Convert to fraction form
    68,903.14/95,091.83 = 38,690.48/x
  3. Step 3: Cross multiply
    68,903.14x = 95,091.83 × 38,690.48
  4. Step 4: Simplify right side
    68,903.14x = 3,679,148,546.78
  5. Step 5: Solve for x
    x = 3,679,148,546.78/68,903.14
  6. Step 6: Final answer
    x = 53,395.95

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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.