Home / 68,299.52-102,436.79-18,367.92

Finding the Fourth Proportional to 68,299.52, 102,436.79 and 18,367.92

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Solution

The fourth proportional to 68,299.52, 102,436.79 and 18,367.92 is: 27,548.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,299.52 : 102,436.79 = 18,367.92 : x
  2. Step 2: Convert to fraction form
    68,299.52/102,436.79 = 18,367.92/x
  3. Step 3: Cross multiply
    68,299.52x = 102,436.79 × 18,367.92
  4. Step 4: Simplify right side
    68,299.52x = 1,881,550,671.94
  5. Step 5: Solve for x
    x = 1,881,550,671.94/68,299.52
  6. Step 6: Final answer
    x = 27,548.52

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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.