Home / 117,556.82-162,231.62-69,162.15

Finding the Fourth Proportional to 117,556.82, 162,231.62 and 69,162.15

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Solution

The fourth proportional to 117,556.82, 162,231.62 and 69,162.15 is: 95,445.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,556.82 : 162,231.62 = 69,162.15 : x
  2. Step 2: Convert to fraction form
    117,556.82/162,231.62 = 69,162.15/x
  3. Step 3: Cross multiply
    117,556.82x = 162,231.62 × 69,162.15
  4. Step 4: Simplify right side
    117,556.82x = 11,220,287,637.18
  5. Step 5: Solve for x
    x = 11,220,287,637.18/117,556.82
  6. Step 6: Final answer
    x = 95,445.65

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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.