Home / 116,939.87-161,377.05-63,224.87

Finding the Fourth Proportional to 116,939.87, 161,377.05 and 63,224.87

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Solution

The fourth proportional to 116,939.87, 161,377.05 and 63,224.87 is: 87,250.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,939.87 : 161,377.05 = 63,224.87 : x
  2. Step 2: Convert to fraction form
    116,939.87/161,377.05 = 63,224.87/x
  3. Step 3: Cross multiply
    116,939.87x = 161,377.05 × 63,224.87
  4. Step 4: Simplify right side
    116,939.87x = 10,203,043,007.23
  5. Step 5: Solve for x
    x = 10,203,043,007.23/116,939.87
  6. Step 6: Final answer
    x = 87,250.34

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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.