Home / 68,215.54-102,322.60-26,662.18

Finding the Fourth Proportional to 68,215.54, 102,322.60 and 26,662.18

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Solution

The fourth proportional to 68,215.54, 102,322.60 and 26,662.18 is: 39,992.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,215.54 : 102,322.60 = 26,662.18 : x
  2. Step 2: Convert to fraction form
    68,215.54/102,322.60 = 26,662.18/x
  3. Step 3: Cross multiply
    68,215.54x = 102,322.60 × 26,662.18
  4. Step 4: Simplify right side
    68,215.54x = 2,728,143,579.27
  5. Step 5: Solve for x
    x = 2,728,143,579.27/68,215.54
  6. Step 6: Final answer
    x = 39,992.99

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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.