Home / 75,429.73-113,183.78-30,462.14

Finding the Fourth Proportional to 75,429.73, 113,183.78 and 30,462.14

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Solution

The fourth proportional to 75,429.73, 113,183.78 and 30,462.14 is: 45,709.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,429.73 : 113,183.78 = 30,462.14 : x
  2. Step 2: Convert to fraction form
    75,429.73/113,183.78 = 30,462.14/x
  3. Step 3: Cross multiply
    75,429.73x = 113,183.78 × 30,462.14
  4. Step 4: Simplify right side
    75,429.73x = 3,447,820,282.74
  5. Step 5: Solve for x
    x = 3,447,820,282.74/75,429.73
  6. Step 6: Final answer
    x = 45,709.04

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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.