Home / 68,416.82-102,627.98-21,669.70

Finding the Fourth Proportional to 68,416.82, 102,627.98 and 21,669.70

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Solution

The fourth proportional to 68,416.82, 102,627.98 and 21,669.70 is: 32,505.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,416.82 : 102,627.98 = 21,669.70 : x
  2. Step 2: Convert to fraction form
    68,416.82/102,627.98 = 21,669.70/x
  3. Step 3: Cross multiply
    68,416.82x = 102,627.98 × 21,669.70
  4. Step 4: Simplify right side
    68,416.82x = 2,223,917,538.21
  5. Step 5: Solve for x
    x = 2,223,917,538.21/68,416.82
  6. Step 6: Final answer
    x = 32,505.42

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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.