Home / 66,939.25-100,409.22-22,566.39

Finding the Fourth Proportional to 66,939.25, 100,409.22 and 22,566.39

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Solution

The fourth proportional to 66,939.25, 100,409.22 and 22,566.39 is: 33,849.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,939.25 : 100,409.22 = 22,566.39 : x
  2. Step 2: Convert to fraction form
    66,939.25/100,409.22 = 22,566.39/x
  3. Step 3: Cross multiply
    66,939.25x = 100,409.22 × 22,566.39
  4. Step 4: Simplify right side
    66,939.25x = 2,265,873,618.12
  5. Step 5: Solve for x
    x = 2,265,873,618.12/66,939.25
  6. Step 6: Final answer
    x = 33,849.70

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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.