Home / 116,844.22-161,245.08-63,129.22

Finding the Fourth Proportional to 116,844.22, 161,245.08 and 63,129.22

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Solution

The fourth proportional to 116,844.22, 161,245.08 and 63,129.22 is: 87,118.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,844.22 : 161,245.08 = 63,129.22 : x
  2. Step 2: Convert to fraction form
    116,844.22/161,245.08 = 63,129.22/x
  3. Step 3: Cross multiply
    116,844.22x = 161,245.08 × 63,129.22
  4. Step 4: Simplify right side
    116,844.22x = 10,179,276,633.13
  5. Step 5: Solve for x
    x = 10,179,276,633.13/116,844.22
  6. Step 6: Final answer
    x = 87,118.36

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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.