Home / 117,060.39-161,543.36-63,345.24

Finding the Fourth Proportional to 117,060.39, 161,543.36 and 63,345.24

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Solution

The fourth proportional to 117,060.39, 161,543.36 and 63,345.24 is: 87,416.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,060.39 : 161,543.36 = 63,345.24 : x
  2. Step 2: Convert to fraction form
    117,060.39/161,543.36 = 63,345.24/x
  3. Step 3: Cross multiply
    117,060.39x = 161,543.36 × 63,345.24
  4. Step 4: Simplify right side
    117,060.39x = 10,233,003,067.97
  5. Step 5: Solve for x
    x = 10,233,003,067.97/117,060.39
  6. Step 6: Final answer
    x = 87,416.44

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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.