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Finding the Fourth Proportional to 77,033.98, 115,512.08 and 37,531.90

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Solution

The fourth proportional to 77,033.98, 115,512.08 and 37,531.90 is: 56,278.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,033.98 : 115,512.08 = 37,531.90 : x
  2. Step 2: Convert to fraction form
    77,033.98/115,512.08 = 37,531.90/x
  3. Step 3: Cross multiply
    77,033.98x = 115,512.08 × 37,531.90
  4. Step 4: Simplify right side
    77,033.98x = 4,335,387,835.35
  5. Step 5: Solve for x
    x = 4,335,387,835.35/77,033.98
  6. Step 6: Final answer
    x = 56,278.90

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