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Finding the Fourth Proportional to 75,661.40, 113,492.10 and 23,070.80

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Solution

The fourth proportional to 75,661.40, 113,492.10 and 23,070.80 is: 34,606.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,661.40 : 113,492.10 = 23,070.80 : x
  2. Step 2: Convert to fraction form
    75,661.40/113,492.10 = 23,070.80/x
  3. Step 3: Cross multiply
    75,661.40x = 113,492.10 × 23,070.80
  4. Step 4: Simplify right side
    75,661.40x = 2,618,353,540.68
  5. Step 5: Solve for x
    x = 2,618,353,540.68/75,661.40
  6. Step 6: Final answer
    x = 34,606.20

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