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Finding the Fourth Proportional to 75,454.88, 113,231.46 and 28,708.16

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Solution

The fourth proportional to 75,454.88, 113,231.46 and 28,708.16 is: 43,080.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,454.88 : 113,231.46 = 28,708.16 : x
  2. Step 2: Convert to fraction form
    75,454.88/113,231.46 = 28,708.16/x
  3. Step 3: Cross multiply
    75,454.88x = 113,231.46 × 28,708.16
  4. Step 4: Simplify right side
    75,454.88x = 3,250,666,870.71
  5. Step 5: Solve for x
    x = 3,250,666,870.71/75,454.88
  6. Step 6: Final answer
    x = 43,080.94

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