Home / 68,339.46-102,538.79-36,712.62

Finding the Fourth Proportional to 68,339.46, 102,538.79 and 36,712.62

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Solution

The fourth proportional to 68,339.46, 102,538.79 and 36,712.62 is: 55,084.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,339.46 : 102,538.79 = 36,712.62 : x
  2. Step 2: Convert to fraction form
    68,339.46/102,538.79 = 36,712.62/x
  3. Step 3: Cross multiply
    68,339.46x = 102,538.79 × 36,712.62
  4. Step 4: Simplify right side
    68,339.46x = 3,764,467,448.97
  5. Step 5: Solve for x
    x = 3,764,467,448.97/68,339.46
  6. Step 6: Final answer
    x = 55,084.83

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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.