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Finding the Fourth Proportional to 48,919.40, 73,379.10 and 48,612.20

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Solution

The fourth proportional to 48,919.40, 73,379.10 and 48,612.20 is: 72,918.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,919.40 : 73,379.10 = 48,612.20 : x
  2. Step 2: Convert to fraction form
    48,919.40/73,379.10 = 48,612.20/x
  3. Step 3: Cross multiply
    48,919.40x = 73,379.10 × 48,612.20
  4. Step 4: Simplify right side
    48,919.40x = 3,567,119,485.02
  5. Step 5: Solve for x
    x = 3,567,119,485.02/48,919.40
  6. Step 6: Final answer
    x = 72,918.30

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