Home / 77,135.64-115,721.92-27,226.94

Finding the Fourth Proportional to 77,135.64, 115,721.92 and 27,226.94

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Solution

The fourth proportional to 77,135.64, 115,721.92 and 27,226.94 is: 40,846.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,135.64 : 115,721.92 = 27,226.94 : x
  2. Step 2: Convert to fraction form
    77,135.64/115,721.92 = 27,226.94/x
  3. Step 3: Cross multiply
    77,135.64x = 115,721.92 × 27,226.94
  4. Step 4: Simplify right side
    77,135.64x = 3,150,753,772.52
  5. Step 5: Solve for x
    x = 3,150,753,772.52/77,135.64
  6. Step 6: Final answer
    x = 40,846.93

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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.