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Finding the Fourth Proportional to 78,250.56, 117,492.48 and 54,922.56

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Solution

The fourth proportional to 78,250.56, 117,492.48 and 54,922.56 is: 82,465.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,250.56 : 117,492.48 = 54,922.56 : x
  2. Step 2: Convert to fraction form
    78,250.56/117,492.48 = 54,922.56/x
  3. Step 3: Cross multiply
    78,250.56x = 117,492.48 × 54,922.56
  4. Step 4: Simplify right side
    78,250.56x = 6,452,987,782.35
  5. Step 5: Solve for x
    x = 6,452,987,782.35/78,250.56
  6. Step 6: Final answer
    x = 82,465.71

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