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Finding the Fourth Proportional to 75,425.88, 113,163.38 and 35,977.86

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Solution

The fourth proportional to 75,425.88, 113,163.38 and 35,977.86 is: 53,978.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,425.88 : 113,163.38 = 35,977.86 : x
  2. Step 2: Convert to fraction form
    75,425.88/113,163.38 = 35,977.86/x
  3. Step 3: Cross multiply
    75,425.88x = 113,163.38 × 35,977.86
  4. Step 4: Simplify right side
    75,425.88x = 4,071,376,242.77
  5. Step 5: Solve for x
    x = 4,071,376,242.77/75,425.88
  6. Step 6: Final answer
    x = 53,978.51

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