Home / 91,129.23-136,697.99-27,944.73

Finding the Fourth Proportional to 91,129.23, 136,697.99 and 27,944.73

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Solution

The fourth proportional to 91,129.23, 136,697.99 and 27,944.73 is: 41,918.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,129.23 : 136,697.99 = 27,944.73 : x
  2. Step 2: Convert to fraction form
    91,129.23/136,697.99 = 27,944.73/x
  3. Step 3: Cross multiply
    91,129.23x = 136,697.99 × 27,944.73
  4. Step 4: Simplify right side
    91,129.23x = 3,819,988,282.37
  5. Step 5: Solve for x
    x = 3,819,988,282.37/91,129.23
  6. Step 6: Final answer
    x = 41,918.36

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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.