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Finding the Fourth Proportional to 68,157.30, 94,054.77 and 38,343.54

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Solution

The fourth proportional to 68,157.30, 94,054.77 and 38,343.54 is: 52,912.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,157.30 : 94,054.77 = 38,343.54 : x
  2. Step 2: Convert to fraction form
    68,157.30/94,054.77 = 38,343.54/x
  3. Step 3: Cross multiply
    68,157.30x = 94,054.77 × 38,343.54
  4. Step 4: Simplify right side
    68,157.30x = 3,606,392,835.69
  5. Step 5: Solve for x
    x = 3,606,392,835.69/68,157.30
  6. Step 6: Final answer
    x = 52,912.79

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