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Finding the Fourth Proportional to 86,398.31, 119,229.67 and 48,672.56

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Solution

The fourth proportional to 86,398.31, 119,229.67 and 48,672.56 is: 67,168.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,398.31 : 119,229.67 = 48,672.56 : x
  2. Step 2: Convert to fraction form
    86,398.31/119,229.67 = 48,672.56/x
  3. Step 3: Cross multiply
    86,398.31x = 119,229.67 × 48,672.56
  4. Step 4: Simplify right side
    86,398.31x = 5,803,213,625.77
  5. Step 5: Solve for x
    x = 5,803,213,625.77/86,398.31
  6. Step 6: Final answer
    x = 67,168.14

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