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Finding the Fourth Proportional to 72,625.20, 100,219.62 and 42,412.20

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Solution

The fourth proportional to 72,625.20, 100,219.62 and 42,412.20 is: 58,526.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,625.20 : 100,219.62 = 42,412.20 : x
  2. Step 2: Convert to fraction form
    72,625.20/100,219.62 = 42,412.20/x
  3. Step 3: Cross multiply
    72,625.20x = 100,219.62 × 42,412.20
  4. Step 4: Simplify right side
    72,625.20x = 4,250,534,567.36
  5. Step 5: Solve for x
    x = 4,250,534,567.36/72,625.20
  6. Step 6: Final answer
    x = 58,526.99

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