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Finding the Fourth Proportional to 75,415.60, 113,123.40 and 48,843.55

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Solution

The fourth proportional to 75,415.60, 113,123.40 and 48,843.55 is: 73,265.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,415.60 : 113,123.40 = 48,843.55 : x
  2. Step 2: Convert to fraction form
    75,415.60/113,123.40 = 48,843.55/x
  3. Step 3: Cross multiply
    75,415.60x = 113,123.40 × 48,843.55
  4. Step 4: Simplify right side
    75,415.60x = 5,525,348,444.07
  5. Step 5: Solve for x
    x = 5,525,348,444.07/75,415.60
  6. Step 6: Final answer
    x = 73,265.33

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