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Finding the Fourth Proportional to 92,581.80, 138,923.10 and 50,459.40

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Solution

The fourth proportional to 92,581.80, 138,923.10 and 50,459.40 is: 75,716.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,581.80 : 138,923.10 = 50,459.40 : x
  2. Step 2: Convert to fraction form
    92,581.80/138,923.10 = 50,459.40/x
  3. Step 3: Cross multiply
    92,581.80x = 138,923.10 × 50,459.40
  4. Step 4: Simplify right side
    92,581.80x = 7,009,976,272.14
  5. Step 5: Solve for x
    x = 7,009,976,272.14/92,581.80
  6. Step 6: Final answer
    x = 75,716.57

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