Home / 117,467.12-162,105.44-63,753.04

Finding the Fourth Proportional to 117,467.12, 162,105.44 and 63,753.04

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Solution

The fourth proportional to 117,467.12, 162,105.44 and 63,753.04 is: 87,979.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,467.12 : 162,105.44 = 63,753.04 : x
  2. Step 2: Convert to fraction form
    117,467.12/162,105.44 = 63,753.04/x
  3. Step 3: Cross multiply
    117,467.12x = 162,105.44 × 63,753.04
  4. Step 4: Simplify right side
    117,467.12x = 10,334,714,600.54
  5. Step 5: Solve for x
    x = 10,334,714,600.54/117,467.12
  6. Step 6: Final answer
    x = 87,979.64

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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.