Home / 116,705.44-161,065.36-68,974.24

Finding the Fourth Proportional to 116,705.44, 161,065.36 and 68,974.24

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Solution

The fourth proportional to 116,705.44, 161,065.36 and 68,974.24 is: 95,191.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,705.44 : 161,065.36 = 68,974.24 : x
  2. Step 2: Convert to fraction form
    116,705.44/161,065.36 = 68,974.24/x
  3. Step 3: Cross multiply
    116,705.44x = 161,065.36 × 68,974.24
  4. Step 4: Simplify right side
    116,705.44x = 11,109,360,796.33
  5. Step 5: Solve for x
    x = 11,109,360,796.33/116,705.44
  6. Step 6: Final answer
    x = 95,191.46

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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.