Home / 81,933.68-122,849.64-34,524.38

Finding the Fourth Proportional to 81,933.68, 122,849.64 and 34,524.38

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Solution

The fourth proportional to 81,933.68, 122,849.64 and 34,524.38 is: 51,765.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,933.68 : 122,849.64 = 34,524.38 : x
  2. Step 2: Convert to fraction form
    81,933.68/122,849.64 = 34,524.38/x
  3. Step 3: Cross multiply
    81,933.68x = 122,849.64 × 34,524.38
  4. Step 4: Simplify right side
    81,933.68x = 4,241,307,173.22
  5. Step 5: Solve for x
    x = 4,241,307,173.22/81,933.68
  6. Step 6: Final answer
    x = 51,765.13

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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.