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Finding the Fourth Proportional to 55,258.40, 82,887.60 and 47,741.60

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Solution

The fourth proportional to 55,258.40, 82,887.60 and 47,741.60 is: 71,612.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,258.40 : 82,887.60 = 47,741.60 : x
  2. Step 2: Convert to fraction form
    55,258.40/82,887.60 = 47,741.60/x
  3. Step 3: Cross multiply
    55,258.40x = 82,887.60 × 47,741.60
  4. Step 4: Simplify right side
    55,258.40x = 3,957,186,644.16
  5. Step 5: Solve for x
    x = 3,957,186,644.16/55,258.40
  6. Step 6: Final answer
    x = 71,612.40

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