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Finding the Fourth Proportional to 81,706.41, 112,737.36 and 47,699.46

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Solution

The fourth proportional to 81,706.41, 112,737.36 and 47,699.46 is: 65,815.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,706.41 : 112,737.36 = 47,699.46 : x
  2. Step 2: Convert to fraction form
    81,706.41/112,737.36 = 47,699.46/x
  3. Step 3: Cross multiply
    81,706.41x = 112,737.36 × 47,699.46
  4. Step 4: Simplify right side
    81,706.41x = 5,377,511,193.83
  5. Step 5: Solve for x
    x = 5,377,511,193.83/81,706.41
  6. Step 6: Final answer
    x = 65,815.05

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