Home / 117,660.49-162,371.40-63,945.52

Finding the Fourth Proportional to 117,660.49, 162,371.40 and 63,945.52

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Solution

The fourth proportional to 117,660.49, 162,371.40 and 63,945.52 is: 88,244.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,660.49 : 162,371.40 = 63,945.52 : x
  2. Step 2: Convert to fraction form
    117,660.49/162,371.40 = 63,945.52/x
  3. Step 3: Cross multiply
    117,660.49x = 162,371.40 × 63,945.52
  4. Step 4: Simplify right side
    117,660.49x = 10,382,923,606.13
  5. Step 5: Solve for x
    x = 10,382,923,606.13/117,660.49
  6. Step 6: Final answer
    x = 88,244.78

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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.