Home / 107,503.17-161,195.52-51,357.42

Finding the Fourth Proportional to 107,503.17, 161,195.52 and 51,357.42

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Solution

The fourth proportional to 107,503.17, 161,195.52 and 51,357.42 is: 77,007.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,503.17 : 161,195.52 = 51,357.42 : x
  2. Step 2: Convert to fraction form
    107,503.17/161,195.52 = 51,357.42/x
  3. Step 3: Cross multiply
    107,503.17x = 161,195.52 × 51,357.42
  4. Step 4: Simplify right side
    107,503.17x = 8,278,586,022.76
  5. Step 5: Solve for x
    x = 8,278,586,022.76/107,503.17
  6. Step 6: Final answer
    x = 77,007.83

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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.