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Finding the Fourth Proportional to 68,351.36, 102,423.36 and 50,738.88

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Solution

The fourth proportional to 68,351.36, 102,423.36 and 50,738.88 is: 76,031.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,351.36 : 102,423.36 = 50,738.88 : x
  2. Step 2: Convert to fraction form
    68,351.36/102,423.36 = 50,738.88/x
  3. Step 3: Cross multiply
    68,351.36x = 102,423.36 × 50,738.88
  4. Step 4: Simplify right side
    68,351.36x = 5,196,846,572.24
  5. Step 5: Solve for x
    x = 5,196,846,572.24/68,351.36
  6. Step 6: Final answer
    x = 76,031.36

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.