Home / 68,725.32-103,081.46-21,965.64

Finding the Fourth Proportional to 68,725.32, 103,081.46 and 21,965.64

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Solution

The fourth proportional to 68,725.32, 103,081.46 and 21,965.64 is: 32,946.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,725.32 : 103,081.46 = 21,965.64 : x
  2. Step 2: Convert to fraction form
    68,725.32/103,081.46 = 21,965.64/x
  3. Step 3: Cross multiply
    68,725.32x = 103,081.46 × 21,965.64
  4. Step 4: Simplify right side
    68,725.32x = 2,264,250,241.03
  5. Step 5: Solve for x
    x = 2,264,250,241.03/68,725.32
  6. Step 6: Final answer
    x = 32,946.38

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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.