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Finding the Fourth Proportional to 68,427.99, 102,657.98 and 23,449.84

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Solution

The fourth proportional to 68,427.99, 102,657.98 and 23,449.84 is: 35,180.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,427.99 : 102,657.98 = 23,449.84 : x
  2. Step 2: Convert to fraction form
    68,427.99/102,657.98 = 23,449.84/x
  3. Step 3: Cross multiply
    68,427.99x = 102,657.98 × 23,449.84
  4. Step 4: Simplify right side
    68,427.99x = 2,407,313,007.70
  5. Step 5: Solve for x
    x = 2,407,313,007.70/68,427.99
  6. Step 6: Final answer
    x = 35,180.24

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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.