Home / 68,965.84-103,396.30-35,664.66

Finding the Fourth Proportional to 68,965.84, 103,396.30 and 35,664.66

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Solution

The fourth proportional to 68,965.84, 103,396.30 and 35,664.66 is: 53,469.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,965.84 : 103,396.30 = 35,664.66 : x
  2. Step 2: Convert to fraction form
    68,965.84/103,396.30 = 35,664.66/x
  3. Step 3: Cross multiply
    68,965.84x = 103,396.30 × 35,664.66
  4. Step 4: Simplify right side
    68,965.84x = 3,687,593,884.76
  5. Step 5: Solve for x
    x = 3,687,593,884.76/68,965.84
  6. Step 6: Final answer
    x = 53,469.86

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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.