Home / 99,231.10-136,939.08-53,909.26

Finding the Fourth Proportional to 99,231.10, 136,939.08 and 53,909.26

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Solution

The fourth proportional to 99,231.10, 136,939.08 and 53,909.26 is: 74,394.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,231.10 : 136,939.08 = 53,909.26 : x
  2. Step 2: Convert to fraction form
    99,231.10/136,939.08 = 53,909.26/x
  3. Step 3: Cross multiply
    99,231.10x = 136,939.08 × 53,909.26
  4. Step 4: Simplify right side
    99,231.10x = 7,382,284,467.88
  5. Step 5: Solve for x
    x = 7,382,284,467.88/99,231.10
  6. Step 6: Final answer
    x = 74,394.87

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