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Finding the Fourth Proportional to 75,423.60, 104,084.40 and 51,549.72

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Solution

The fourth proportional to 75,423.60, 104,084.40 and 51,549.72 is: 71,138.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,423.60 : 104,084.40 = 51,549.72 : x
  2. Step 2: Convert to fraction form
    75,423.60/104,084.40 = 51,549.72/x
  3. Step 3: Cross multiply
    75,423.60x = 104,084.40 × 51,549.72
  4. Step 4: Simplify right side
    75,423.60x = 5,365,521,676.37
  5. Step 5: Solve for x
    x = 5,365,521,676.37/75,423.60
  6. Step 6: Final answer
    x = 71,138.50

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