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Finding the Fourth Proportional to 52,375.16, 78,562.74 and 43,121.72

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Solution

The fourth proportional to 52,375.16, 78,562.74 and 43,121.72 is: 64,682.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,375.16 : 78,562.74 = 43,121.72 : x
  2. Step 2: Convert to fraction form
    52,375.16/78,562.74 = 43,121.72/x
  3. Step 3: Cross multiply
    52,375.16x = 78,562.74 × 43,121.72
  4. Step 4: Simplify right side
    52,375.16x = 3,387,760,476.71
  5. Step 5: Solve for x
    x = 3,387,760,476.71/52,375.16
  6. Step 6: Final answer
    x = 64,682.58

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