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Finding the Fourth Proportional to 93,401.74, 128,889.12 and 53,125.30

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Solution

The fourth proportional to 93,401.74, 128,889.12 and 53,125.30 is: 73,309.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,401.74 : 128,889.12 = 53,125.30 : x
  2. Step 2: Convert to fraction form
    93,401.74/128,889.12 = 53,125.30/x
  3. Step 3: Cross multiply
    93,401.74x = 128,889.12 × 53,125.30
  4. Step 4: Simplify right side
    93,401.74x = 6,847,273,166.74
  5. Step 5: Solve for x
    x = 6,847,273,166.74/93,401.74
  6. Step 6: Final answer
    x = 73,309.91

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