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Finding the Fourth Proportional to 77,820.75, 116,745.71 and 36,267.75

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Solution

The fourth proportional to 77,820.75, 116,745.71 and 36,267.75 is: 54,408.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,820.75 : 116,745.71 = 36,267.75 : x
  2. Step 2: Convert to fraction form
    77,820.75/116,745.71 = 36,267.75/x
  3. Step 3: Cross multiply
    77,820.75x = 116,745.71 × 36,267.75
  4. Step 4: Simplify right side
    77,820.75x = 4,234,104,042.51
  5. Step 5: Solve for x
    x = 4,234,104,042.51/77,820.75
  6. Step 6: Final answer
    x = 54,408.42

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