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Finding the Fourth Proportional to 96,009.40, 144,078.90 and 53,889.40

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Solution

The fourth proportional to 96,009.40, 144,078.90 and 53,889.40 is: 80,870.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,009.40 : 144,078.90 = 53,889.40 : x
  2. Step 2: Convert to fraction form
    96,009.40/144,078.90 = 53,889.40/x
  3. Step 3: Cross multiply
    96,009.40x = 144,078.90 × 53,889.40
  4. Step 4: Simplify right side
    96,009.40x = 7,764,325,473.66
  5. Step 5: Solve for x
    x = 7,764,325,473.66/96,009.40
  6. Step 6: Final answer
    x = 80,870.47

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