Home / 68,623.56-102,950.52-21,876.42

Finding the Fourth Proportional to 68,623.56, 102,950.52 and 21,876.42

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Solution

The fourth proportional to 68,623.56, 102,950.52 and 21,876.42 is: 32,819.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,623.56 : 102,950.52 = 21,876.42 : x
  2. Step 2: Convert to fraction form
    68,623.56/102,950.52 = 21,876.42/x
  3. Step 3: Cross multiply
    68,623.56x = 102,950.52 × 21,876.42
  4. Step 4: Simplify right side
    68,623.56x = 2,252,188,814.74
  5. Step 5: Solve for x
    x = 2,252,188,814.74/68,623.56
  6. Step 6: Final answer
    x = 32,819.47

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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.