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Finding the Fourth Proportional to 53,905.40, 80,858.10 and 48,267.80

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Solution

The fourth proportional to 53,905.40, 80,858.10 and 48,267.80 is: 72,401.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,905.40 : 80,858.10 = 48,267.80 : x
  2. Step 2: Convert to fraction form
    53,905.40/80,858.10 = 48,267.80/x
  3. Step 3: Cross multiply
    53,905.40x = 80,858.10 × 48,267.80
  4. Step 4: Simplify right side
    53,905.40x = 3,902,842,599.18
  5. Step 5: Solve for x
    x = 3,902,842,599.18/53,905.40
  6. Step 6: Final answer
    x = 72,401.70

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