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Finding the Fourth Proportional to 54,645.72, 75,420.66 and 52,152.54

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Solution

The fourth proportional to 54,645.72, 75,420.66 and 52,152.54 is: 71,979.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,645.72 : 75,420.66 = 52,152.54 : x
  2. Step 2: Convert to fraction form
    54,645.72/75,420.66 = 52,152.54/x
  3. Step 3: Cross multiply
    54,645.72x = 75,420.66 × 52,152.54
  4. Step 4: Simplify right side
    54,645.72x = 3,933,378,987.48
  5. Step 5: Solve for x
    x = 3,933,378,987.48/54,645.72
  6. Step 6: Final answer
    x = 71,979.64

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