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Finding the Fourth Proportional to 78,291.27, 108,069.97 and 46,460.17

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Solution

The fourth proportional to 78,291.27, 108,069.97 and 46,460.17 is: 64,131.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,291.27 : 108,069.97 = 46,460.17 : x
  2. Step 2: Convert to fraction form
    78,291.27/108,069.97 = 46,460.17/x
  3. Step 3: Cross multiply
    78,291.27x = 108,069.97 × 46,460.17
  4. Step 4: Simplify right side
    78,291.27x = 5,020,949,178.09
  5. Step 5: Solve for x
    x = 5,020,949,178.09/78,291.27
  6. Step 6: Final answer
    x = 64,131.66

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