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Finding the Fourth Proportional to 83,311.10, 124,857.30 and 33,350.30

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Solution

The fourth proportional to 83,311.10, 124,857.30 and 33,350.30 is: 49,981.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,311.10 : 124,857.30 = 33,350.30 : x
  2. Step 2: Convert to fraction form
    83,311.10/124,857.30 = 33,350.30/x
  3. Step 3: Cross multiply
    83,311.10x = 124,857.30 × 33,350.30
  4. Step 4: Simplify right side
    83,311.10x = 4,164,028,412.19
  5. Step 5: Solve for x
    x = 4,164,028,412.19/83,311.10
  6. Step 6: Final answer
    x = 49,981.68

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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.