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Finding the Fourth Proportional to 79,061.40, 118,592.10 and 75,562.20

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Solution

The fourth proportional to 79,061.40, 118,592.10 and 75,562.20 is: 113,343.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,061.40 : 118,592.10 = 75,562.20 : x
  2. Step 2: Convert to fraction form
    79,061.40/118,592.10 = 75,562.20/x
  3. Step 3: Cross multiply
    79,061.40x = 118,592.10 × 75,562.20
  4. Step 4: Simplify right side
    79,061.40x = 8,961,079,978.62
  5. Step 5: Solve for x
    x = 8,961,079,978.62/79,061.40
  6. Step 6: Final answer
    x = 113,343.30

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