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Finding the Fourth Proportional to 67,620.40, 101,430.60 and 44,000.80

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Solution

The fourth proportional to 67,620.40, 101,430.60 and 44,000.80 is: 66,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,620.40 : 101,430.60 = 44,000.80 : x
  2. Step 2: Convert to fraction form
    67,620.40/101,430.60 = 44,000.80/x
  3. Step 3: Cross multiply
    67,620.40x = 101,430.60 × 44,000.80
  4. Step 4: Simplify right side
    67,620.40x = 4,463,027,544.48
  5. Step 5: Solve for x
    x = 4,463,027,544.48/67,620.40
  6. Step 6: Final answer
    x = 66,001.20

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