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Finding the Fourth Proportional to 75,490.86, 104,081.30 and 47,186.22

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Solution

The fourth proportional to 75,490.86, 104,081.30 and 47,186.22 is: 65,056.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,490.86 : 104,081.30 = 47,186.22 : x
  2. Step 2: Convert to fraction form
    75,490.86/104,081.30 = 47,186.22/x
  3. Step 3: Cross multiply
    75,490.86x = 104,081.30 × 47,186.22
  4. Step 4: Simplify right side
    75,490.86x = 4,911,203,119.69
  5. Step 5: Solve for x
    x = 4,911,203,119.69/75,490.86
  6. Step 6: Final answer
    x = 65,056.92

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