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Finding the Fourth Proportional to 93,575.36, 128,834.70 and 75,729.44

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Solution

The fourth proportional to 93,575.36, 128,834.70 and 75,729.44 is: 104,264.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,575.36 : 128,834.70 = 75,729.44 : x
  2. Step 2: Convert to fraction form
    93,575.36/128,834.70 = 75,729.44/x
  3. Step 3: Cross multiply
    93,575.36x = 128,834.70 × 75,729.44
  4. Step 4: Simplify right side
    93,575.36x = 9,756,579,683.57
  5. Step 5: Solve for x
    x = 9,756,579,683.57/93,575.36
  6. Step 6: Final answer
    x = 104,264.41

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