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Finding the Fourth Proportional to 78,008.59, 117,025.04 and 25,405.84

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Solution

The fourth proportional to 78,008.59, 117,025.04 and 25,405.84 is: 38,112.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,008.59 : 117,025.04 = 25,405.84 : x
  2. Step 2: Convert to fraction form
    78,008.59/117,025.04 = 25,405.84/x
  3. Step 3: Cross multiply
    78,008.59x = 117,025.04 × 25,405.84
  4. Step 4: Simplify right side
    78,008.59x = 2,973,119,442.23
  5. Step 5: Solve for x
    x = 2,973,119,442.23/78,008.59
  6. Step 6: Final answer
    x = 38,112.72

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