Home / 80,414.13-120,536.01-27,055.29

Finding the Fourth Proportional to 80,414.13, 120,536.01 and 27,055.29

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Solution

The fourth proportional to 80,414.13, 120,536.01 and 27,055.29 is: 40,554.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,414.13 : 120,536.01 = 27,055.29 : x
  2. Step 2: Convert to fraction form
    80,414.13/120,536.01 = 27,055.29/x
  3. Step 3: Cross multiply
    80,414.13x = 120,536.01 × 27,055.29
  4. Step 4: Simplify right side
    80,414.13x = 3,261,136,705.99
  5. Step 5: Solve for x
    x = 3,261,136,705.99/80,414.13
  6. Step 6: Final answer
    x = 40,554.27

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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.