Home / 68,356.96-102,534.82-21,609.85

Finding the Fourth Proportional to 68,356.96, 102,534.82 and 21,609.85

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Solution

The fourth proportional to 68,356.96, 102,534.82 and 21,609.85 is: 32,414.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,356.96 : 102,534.82 = 21,609.85 : x
  2. Step 2: Convert to fraction form
    68,356.96/102,534.82 = 21,609.85/x
  3. Step 3: Cross multiply
    68,356.96x = 102,534.82 × 21,609.85
  4. Step 4: Simplify right side
    68,356.96x = 2,215,762,079.98
  5. Step 5: Solve for x
    x = 2,215,762,079.98/68,356.96
  6. Step 6: Final answer
    x = 32,414.58

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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.