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Finding the Fourth Proportional to 77,882.96, 117,068.29 and 51,399.14

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Solution

The fourth proportional to 77,882.96, 117,068.29 and 51,399.14 is: 77,259.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,882.96 : 117,068.29 = 51,399.14 : x
  2. Step 2: Convert to fraction form
    77,882.96/117,068.29 = 51,399.14/x
  3. Step 3: Cross multiply
    77,882.96x = 117,068.29 × 51,399.14
  4. Step 4: Simplify right side
    77,882.96x = 6,017,209,427.27
  5. Step 5: Solve for x
    x = 6,017,209,427.27/77,882.96
  6. Step 6: Final answer
    x = 77,259.64

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