Home / 66,930.83-100,375.77-22,545.68

Finding the Fourth Proportional to 66,930.83, 100,375.77 and 22,545.68

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Solution

The fourth proportional to 66,930.83, 100,375.77 and 22,545.68 is: 33,811.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,930.83 : 100,375.77 = 22,545.68 : x
  2. Step 2: Convert to fraction form
    66,930.83/100,375.77 = 22,545.68/x
  3. Step 3: Cross multiply
    66,930.83x = 100,375.77 × 22,545.68
  4. Step 4: Simplify right side
    66,930.83x = 2,263,039,990.17
  5. Step 5: Solve for x
    x = 2,263,039,990.17/66,930.83
  6. Step 6: Final answer
    x = 33,811.62

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Why These Related Problems?

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