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Finding the Fourth Proportional to 48,436.60, 72,654.90 and 42,410.20

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Solution

The fourth proportional to 48,436.60, 72,654.90 and 42,410.20 is: 63,615.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,436.60 : 72,654.90 = 42,410.20 : x
  2. Step 2: Convert to fraction form
    48,436.60/72,654.90 = 42,410.20/x
  3. Step 3: Cross multiply
    48,436.60x = 72,654.90 × 42,410.20
  4. Step 4: Simplify right side
    48,436.60x = 3,081,308,839.98
  5. Step 5: Solve for x
    x = 3,081,308,839.98/48,436.60
  6. Step 6: Final answer
    x = 63,615.30

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