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Finding the Fourth Proportional to 75,981.31, 113,870.09 and 59,134.66

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Solution

The fourth proportional to 75,981.31, 113,870.09 and 59,134.66 is: 88,622.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,981.31 : 113,870.09 = 59,134.66 : x
  2. Step 2: Convert to fraction form
    75,981.31/113,870.09 = 59,134.66/x
  3. Step 3: Cross multiply
    75,981.31x = 113,870.09 × 59,134.66
  4. Step 4: Simplify right side
    75,981.31x = 6,733,669,488.83
  5. Step 5: Solve for x
    x = 6,733,669,488.83/75,981.31
  6. Step 6: Final answer
    x = 88,622.71

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