Home / 68,439.46-102,841.44-36,873.76

Finding the Fourth Proportional to 68,439.46, 102,841.44 and 36,873.76

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Solution

The fourth proportional to 68,439.46, 102,841.44 and 36,873.76 is: 55,408.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,439.46 : 102,841.44 = 36,873.76 : x
  2. Step 2: Convert to fraction form
    68,439.46/102,841.44 = 36,873.76/x
  3. Step 3: Cross multiply
    68,439.46x = 102,841.44 × 36,873.76
  4. Step 4: Simplify right side
    68,439.46x = 3,792,150,576.61
  5. Step 5: Solve for x
    x = 3,792,150,576.61/68,439.46
  6. Step 6: Final answer
    x = 55,408.83

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1.5x scale

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.