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Finding the Fourth Proportional to 48,865.40, 73,443.90 and 42,450.20

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Solution

The fourth proportional to 48,865.40, 73,443.90 and 42,450.20 is: 63,801.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,865.40 : 73,443.90 = 42,450.20 : x
  2. Step 2: Convert to fraction form
    48,865.40/73,443.90 = 42,450.20/x
  3. Step 3: Cross multiply
    48,865.40x = 73,443.90 × 42,450.20
  4. Step 4: Simplify right side
    48,865.40x = 3,117,708,243.78
  5. Step 5: Solve for x
    x = 3,117,708,243.78/48,865.40
  6. Step 6: Final answer
    x = 63,801.96

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