Home / 80,111.44-120,158.52-26,797.38

Finding the Fourth Proportional to 80,111.44, 120,158.52 and 26,797.38

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Solution

The fourth proportional to 80,111.44, 120,158.52 and 26,797.38 is: 40,193.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,111.44 : 120,158.52 = 26,797.38 : x
  2. Step 2: Convert to fraction form
    80,111.44/120,158.52 = 26,797.38/x
  3. Step 3: Cross multiply
    80,111.44x = 120,158.52 × 26,797.38
  4. Step 4: Simplify right side
    80,111.44x = 3,219,932,949.91
  5. Step 5: Solve for x
    x = 3,219,932,949.91/80,111.44
  6. Step 6: Final answer
    x = 40,193.17

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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.