Home / 77,329.85-115,961.94-27,422.51

Finding the Fourth Proportional to 77,329.85, 115,961.94 and 27,422.51

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Solution

The fourth proportional to 77,329.85, 115,961.94 and 27,422.51 is: 41,122.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,329.85 : 115,961.94 = 27,422.51 : x
  2. Step 2: Convert to fraction form
    77,329.85/115,961.94 = 27,422.51/x
  3. Step 3: Cross multiply
    77,329.85x = 115,961.94 × 27,422.51
  4. Step 4: Simplify right side
    77,329.85x = 3,179,966,879.46
  5. Step 5: Solve for x
    x = 3,179,966,879.46/77,329.85
  6. Step 6: Final answer
    x = 41,122.12

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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.