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Finding the Fourth Proportional to 53,893.40, 80,840.10 and 48,255.80

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Solution

The fourth proportional to 53,893.40, 80,840.10 and 48,255.80 is: 72,383.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,893.40 : 80,840.10 = 48,255.80 : x
  2. Step 2: Convert to fraction form
    53,893.40/80,840.10 = 48,255.80/x
  3. Step 3: Cross multiply
    53,893.40x = 80,840.10 × 48,255.80
  4. Step 4: Simplify right side
    53,893.40x = 3,901,003,697.58
  5. Step 5: Solve for x
    x = 3,901,003,697.58/53,893.40
  6. Step 6: Final answer
    x = 72,383.70

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