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Finding the Fourth Proportional to 75,825.26, 113,645.65 and 53,645.03

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Solution

The fourth proportional to 75,825.26, 113,645.65 and 53,645.03 is: 80,402.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,825.26 : 113,645.65 = 53,645.03 : x
  2. Step 2: Convert to fraction form
    75,825.26/113,645.65 = 53,645.03/x
  3. Step 3: Cross multiply
    75,825.26x = 113,645.65 × 53,645.03
  4. Step 4: Simplify right side
    75,825.26x = 6,096,524,303.62
  5. Step 5: Solve for x
    x = 6,096,524,303.62/75,825.26
  6. Step 6: Final answer
    x = 80,402.29

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