Home / 107,990.82-161,985.53-36,879.14

Finding the Fourth Proportional to 107,990.82, 161,985.53 and 36,879.14

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Solution

The fourth proportional to 107,990.82, 161,985.53 and 36,879.14 is: 55,318.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,990.82 : 161,985.53 = 36,879.14 : x
  2. Step 2: Convert to fraction form
    107,990.82/161,985.53 = 36,879.14/x
  3. Step 3: Cross multiply
    107,990.82x = 161,985.53 × 36,879.14
  4. Step 4: Simplify right side
    107,990.82x = 5,973,887,536.01
  5. Step 5: Solve for x
    x = 5,973,887,536.01/107,990.82
  6. Step 6: Final answer
    x = 55,318.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.