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Finding the Fourth Proportional to 85,686.25, 118,246.93 and 47,960.50

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Solution

The fourth proportional to 85,686.25, 118,246.93 and 47,960.50 is: 66,185.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,686.25 : 118,246.93 = 47,960.50 : x
  2. Step 2: Convert to fraction form
    85,686.25/118,246.93 = 47,960.50/x
  3. Step 3: Cross multiply
    85,686.25x = 118,246.93 × 47,960.50
  4. Step 4: Simplify right side
    85,686.25x = 5,671,181,886.27
  5. Step 5: Solve for x
    x = 5,671,181,886.27/85,686.25
  6. Step 6: Final answer
    x = 66,185.44

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