Home / 75,890.09-113,553.21-47,678.06

Finding the Fourth Proportional to 75,890.09, 113,553.21 and 47,678.06

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Solution

The fourth proportional to 75,890.09, 113,553.21 and 47,678.06 is: 71,339.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,890.09 : 113,553.21 = 47,678.06 : x
  2. Step 2: Convert to fraction form
    75,890.09/113,553.21 = 47,678.06/x
  3. Step 3: Cross multiply
    75,890.09x = 113,553.21 × 47,678.06
  4. Step 4: Simplify right side
    75,890.09x = 5,413,996,759.57
  5. Step 5: Solve for x
    x = 5,413,996,759.57/75,890.09
  6. Step 6: Final answer
    x = 71,339.97

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