Home / 80,536.43-120,755.01-27,223.37

Finding the Fourth Proportional to 80,536.43, 120,755.01 and 27,223.37

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Solution

The fourth proportional to 80,536.43, 120,755.01 and 27,223.37 is: 40,818.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,536.43 : 120,755.01 = 27,223.37 : x
  2. Step 2: Convert to fraction form
    80,536.43/120,755.01 = 27,223.37/x
  3. Step 3: Cross multiply
    80,536.43x = 120,755.01 × 27,223.37
  4. Step 4: Simplify right side
    80,536.43x = 3,287,357,712.81
  5. Step 5: Solve for x
    x = 3,287,357,712.81/80,536.43
  6. Step 6: Final answer
    x = 40,818.27

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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.