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Finding the Fourth Proportional to 73,060.60, 109,372.20 and 68,735.20

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Solution

The fourth proportional to 73,060.60, 109,372.20 and 68,735.20 is: 102,897.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,060.60 : 109,372.20 = 68,735.20 : x
  2. Step 2: Convert to fraction form
    73,060.60/109,372.20 = 68,735.20/x
  3. Step 3: Cross multiply
    73,060.60x = 109,372.20 × 68,735.20
  4. Step 4: Simplify right side
    73,060.60x = 7,517,720,041.44
  5. Step 5: Solve for x
    x = 7,517,720,041.44/73,060.60
  6. Step 6: Final answer
    x = 102,897.05

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.