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Finding the Fourth Proportional to 78,825.96, 118,225.98 and 23,409

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Solution

The fourth proportional to 78,825.96, 118,225.98 and 23,409 is: 35,109.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,825.96 : 118,225.98 = 23,409 : x
  2. Step 2: Convert to fraction form
    78,825.96/118,225.98 = 23,409/x
  3. Step 3: Cross multiply
    78,825.96x = 118,225.98 × 23,409
  4. Step 4: Simplify right side
    78,825.96x = 2,767,551,965.82
  5. Step 5: Solve for x
    x = 2,767,551,965.82/78,825.96
  6. Step 6: Final answer
    x = 35,109.65

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