Home / 77,361.39-115,845.15-50,986.17

Finding the Fourth Proportional to 77,361.39, 115,845.15 and 50,986.17

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Solution

The fourth proportional to 77,361.39, 115,845.15 and 50,986.17 is: 76,349.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,361.39 : 115,845.15 = 50,986.17 : x
  2. Step 2: Convert to fraction form
    77,361.39/115,845.15 = 50,986.17/x
  3. Step 3: Cross multiply
    77,361.39x = 115,845.15 × 50,986.17
  4. Step 4: Simplify right side
    77,361.39x = 5,906,500,511.58
  5. Step 5: Solve for x
    x = 5,906,500,511.58/77,361.39
  6. Step 6: Final answer
    x = 76,349.46

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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.