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Finding the Fourth Proportional to 54,919, 75,583.92 and 45,281.80

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Solution

The fourth proportional to 54,919, 75,583.92 and 45,281.80 is: 62,320.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,919 : 75,583.92 = 45,281.80 : x
  2. Step 2: Convert to fraction form
    54,919/75,583.92 = 45,281.80/x
  3. Step 3: Cross multiply
    54,919x = 75,583.92 × 45,281.80
  4. Step 4: Simplify right side
    54,919x = 3,422,575,948.66
  5. Step 5: Solve for x
    x = 3,422,575,948.66/54,919
  6. Step 6: Final answer
    x = 62,320.43

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