Home / 81,726.36-122,361.15-44,151.82

Finding the Fourth Proportional to 81,726.36, 122,361.15 and 44,151.82

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Solution

The fourth proportional to 81,726.36, 122,361.15 and 44,151.82 is: 66,104.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,726.36 : 122,361.15 = 44,151.82 : x
  2. Step 2: Convert to fraction form
    81,726.36/122,361.15 = 44,151.82/x
  3. Step 3: Cross multiply
    81,726.36x = 122,361.15 × 44,151.82
  4. Step 4: Simplify right side
    81,726.36x = 5,402,467,469.79
  5. Step 5: Solve for x
    x = 5,402,467,469.79/81,726.36
  6. Step 6: Final answer
    x = 66,104.34

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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.