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Finding the Fourth Proportional to 68,721.82, 102,934.62 and 46,412.52

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Solution

The fourth proportional to 68,721.82, 102,934.62 and 46,412.52 is: 69,518.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,721.82 : 102,934.62 = 46,412.52 : x
  2. Step 2: Convert to fraction form
    68,721.82/102,934.62 = 46,412.52/x
  3. Step 3: Cross multiply
    68,721.82x = 102,934.62 × 46,412.52
  4. Step 4: Simplify right side
    68,721.82x = 4,777,455,109.44
  5. Step 5: Solve for x
    x = 4,777,455,109.44/68,721.82
  6. Step 6: Final answer
    x = 69,518.75

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