Home / 68,912.64-95,074.56-39,087.36

Finding the Fourth Proportional to 68,912.64, 95,074.56 and 39,087.36

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Solution

The fourth proportional to 68,912.64, 95,074.56 and 39,087.36 is: 53,926.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,912.64 : 95,074.56 = 39,087.36 : x
  2. Step 2: Convert to fraction form
    68,912.64/95,074.56 = 39,087.36/x
  3. Step 3: Cross multiply
    68,912.64x = 95,074.56 × 39,087.36
  4. Step 4: Simplify right side
    68,912.64x = 3,716,213,553.56
  5. Step 5: Solve for x
    x = 3,716,213,553.56/68,912.64
  6. Step 6: Final answer
    x = 53,926.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.