Home / 93,449.07-128,976.45-55,725.75

Finding the Fourth Proportional to 93,449.07, 128,976.45 and 55,725.75

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Solution

The fourth proportional to 93,449.07, 128,976.45 and 55,725.75 is: 76,911.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,449.07 : 128,976.45 = 55,725.75 : x
  2. Step 2: Convert to fraction form
    93,449.07/128,976.45 = 55,725.75/x
  3. Step 3: Cross multiply
    93,449.07x = 128,976.45 × 55,725.75
  4. Step 4: Simplify right side
    93,449.07x = 7,187,309,408.59
  5. Step 5: Solve for x
    x = 7,187,309,408.59/93,449.07
  6. Step 6: Final answer
    x = 76,911.51

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