Home / 117,229.16-161,776.38-63,514.16

Finding the Fourth Proportional to 117,229.16, 161,776.38 and 63,514.16

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Solution

The fourth proportional to 117,229.16, 161,776.38 and 63,514.16 is: 87,649.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,229.16 : 161,776.38 = 63,514.16 : x
  2. Step 2: Convert to fraction form
    117,229.16/161,776.38 = 63,514.16/x
  3. Step 3: Cross multiply
    117,229.16x = 161,776.38 × 63,514.16
  4. Step 4: Simplify right side
    117,229.16x = 10,275,090,883.54
  5. Step 5: Solve for x
    x = 10,275,090,883.54/117,229.16
  6. Step 6: Final answer
    x = 87,649.62

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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.