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Finding the Fourth Proportional to 93,650.25, 129,220.52 and 55,390.74

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Solution

The fourth proportional to 93,650.25, 129,220.52 and 55,390.74 is: 76,429.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,650.25 : 129,220.52 = 55,390.74 : x
  2. Step 2: Convert to fraction form
    93,650.25/129,220.52 = 55,390.74/x
  3. Step 3: Cross multiply
    93,650.25x = 129,220.52 × 55,390.74
  4. Step 4: Simplify right side
    93,650.25x = 7,157,620,225.98
  5. Step 5: Solve for x
    x = 7,157,620,225.98/93,650.25
  6. Step 6: Final answer
    x = 76,429.27

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