Home / 68,979.60-103,449.96-29,579.58

Finding the Fourth Proportional to 68,979.60, 103,449.96 and 29,579.58

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Solution

The fourth proportional to 68,979.60, 103,449.96 and 29,579.58 is: 44,361.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,979.60 : 103,449.96 = 29,579.58 : x
  2. Step 2: Convert to fraction form
    68,979.60/103,449.96 = 29,579.58/x
  3. Step 3: Cross multiply
    68,979.60x = 103,449.96 × 29,579.58
  4. Step 4: Simplify right side
    68,979.60x = 3,060,006,367.82
  5. Step 5: Solve for x
    x = 3,060,006,367.82/68,979.60
  6. Step 6: Final answer
    x = 44,361.03

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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.