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Finding the Fourth Proportional to 75,717.62, 104,490.46 and 45,503.40

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Solution

The fourth proportional to 75,717.62, 104,490.46 and 45,503.40 is: 62,794.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,717.62 : 104,490.46 = 45,503.40 : x
  2. Step 2: Convert to fraction form
    75,717.62/104,490.46 = 45,503.40/x
  3. Step 3: Cross multiply
    75,717.62x = 104,490.46 × 45,503.40
  4. Step 4: Simplify right side
    75,717.62x = 4,754,671,197.56
  5. Step 5: Solve for x
    x = 4,754,671,197.56/75,717.62
  6. Step 6: Final answer
    x = 62,794.78

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