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Finding the Fourth Proportional to 61,601.40, 92,402.10 and 55,380.60

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Solution

The fourth proportional to 61,601.40, 92,402.10 and 55,380.60 is: 83,070.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,601.40 : 92,402.10 = 55,380.60 : x
  2. Step 2: Convert to fraction form
    61,601.40/92,402.10 = 55,380.60/x
  3. Step 3: Cross multiply
    61,601.40x = 92,402.10 × 55,380.60
  4. Step 4: Simplify right side
    61,601.40x = 5,117,283,739.26
  5. Step 5: Solve for x
    x = 5,117,283,739.26/61,601.40
  6. Step 6: Final answer
    x = 83,070.90

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