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Finding the Fourth Proportional to 67,266.70, 100,900.05 and 27,900.70

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Solution

The fourth proportional to 67,266.70, 100,900.05 and 27,900.70 is: 41,851.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,266.70 : 100,900.05 = 27,900.70 : x
  2. Step 2: Convert to fraction form
    67,266.70/100,900.05 = 27,900.70/x
  3. Step 3: Cross multiply
    67,266.70x = 100,900.05 × 27,900.70
  4. Step 4: Simplify right side
    67,266.70x = 2,815,182,025.04
  5. Step 5: Solve for x
    x = 2,815,182,025.04/67,266.70
  6. Step 6: Final answer
    x = 41,851.05

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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.