Home / 66,161.26-99,241.69-26,717.91

Finding the Fourth Proportional to 66,161.26, 99,241.69 and 26,717.91

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Solution

The fourth proportional to 66,161.26, 99,241.69 and 26,717.91 is: 40,076.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,161.26 : 99,241.69 = 26,717.91 : x
  2. Step 2: Convert to fraction form
    66,161.26/99,241.69 = 26,717.91/x
  3. Step 3: Cross multiply
    66,161.26x = 99,241.69 × 26,717.91
  4. Step 4: Simplify right side
    66,161.26x = 2,651,530,541.67
  5. Step 5: Solve for x
    x = 2,651,530,541.67/66,161.26
  6. Step 6: Final answer
    x = 40,076.78

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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.