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Finding the Fourth Proportional to 54,830.88, 82,038.96 and 51,513.12

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Solution

The fourth proportional to 54,830.88, 82,038.96 and 51,513.12 is: 77,074.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,830.88 : 82,038.96 = 51,513.12 : x
  2. Step 2: Convert to fraction form
    54,830.88/82,038.96 = 51,513.12/x
  3. Step 3: Cross multiply
    54,830.88x = 82,038.96 × 51,513.12
  4. Step 4: Simplify right side
    54,830.88x = 4,226,082,791.16
  5. Step 5: Solve for x
    x = 4,226,082,791.16/54,830.88
  6. Step 6: Final answer
    x = 77,074.87

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