Home / 77,381.84-116,067.94-27,455.38

Finding the Fourth Proportional to 77,381.84, 116,067.94 and 27,455.38

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Solution

The fourth proportional to 77,381.84, 116,067.94 and 27,455.38 is: 41,181.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,381.84 : 116,067.94 = 27,455.38 : x
  2. Step 2: Convert to fraction form
    77,381.84/116,067.94 = 27,455.38/x
  3. Step 3: Cross multiply
    77,381.84x = 116,067.94 × 27,455.38
  4. Step 4: Simplify right side
    77,381.84x = 3,186,689,398.52
  5. Step 5: Solve for x
    x = 3,186,689,398.52/77,381.84
  6. Step 6: Final answer
    x = 41,181.36

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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.