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Finding the Fourth Proportional to 68,994.60, 103,405.36 and 29,505.36

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Solution

The fourth proportional to 68,994.60, 103,405.36 and 29,505.36 is: 44,221.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,994.60 : 103,405.36 = 29,505.36 : x
  2. Step 2: Convert to fraction form
    68,994.60/103,405.36 = 29,505.36/x
  3. Step 3: Cross multiply
    68,994.60x = 103,405.36 × 29,505.36
  4. Step 4: Simplify right side
    68,994.60x = 3,051,012,372.73
  5. Step 5: Solve for x
    x = 3,051,012,372.73/68,994.60
  6. Step 6: Final answer
    x = 44,221.03

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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.