Home / 66,936.96-100,341.63-22,540.86

Finding the Fourth Proportional to 66,936.96, 100,341.63 and 22,540.86

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Solution

The fourth proportional to 66,936.96, 100,341.63 and 22,540.86 is: 33,789.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,936.96 : 100,341.63 = 22,540.86 : x
  2. Step 2: Convert to fraction form
    66,936.96/100,341.63 = 22,540.86/x
  3. Step 3: Cross multiply
    66,936.96x = 100,341.63 × 22,540.86
  4. Step 4: Simplify right side
    66,936.96x = 2,261,786,634.00
  5. Step 5: Solve for x
    x = 2,261,786,634.00/66,936.96
  6. Step 6: Final answer
    x = 33,789.80

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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.