Home / 117,240.36-161,789.58-66,252.03

Finding the Fourth Proportional to 117,240.36, 161,789.58 and 66,252.03

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Solution

The fourth proportional to 117,240.36, 161,789.58 and 66,252.03 is: 91,426.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,240.36 : 161,789.58 = 66,252.03 : x
  2. Step 2: Convert to fraction form
    117,240.36/161,789.58 = 66,252.03/x
  3. Step 3: Cross multiply
    117,240.36x = 161,789.58 × 66,252.03
  4. Step 4: Simplify right side
    117,240.36x = 10,718,888,107.85
  5. Step 5: Solve for x
    x = 10,718,888,107.85/117,240.36
  6. Step 6: Final answer
    x = 91,426.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.