Home / 68,639.86-102,961.59-23,660.74

Finding the Fourth Proportional to 68,639.86, 102,961.59 and 23,660.74

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Solution

The fourth proportional to 68,639.86, 102,961.59 and 23,660.74 is: 35,491.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,639.86 : 102,961.59 = 23,660.74 : x
  2. Step 2: Convert to fraction form
    68,639.86/102,961.59 = 23,660.74/x
  3. Step 3: Cross multiply
    68,639.86x = 102,961.59 × 23,660.74
  4. Step 4: Simplify right side
    68,639.86x = 2,436,147,410.98
  5. Step 5: Solve for x
    x = 2,436,147,410.98/68,639.86
  6. Step 6: Final answer
    x = 35,491.73

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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.