Home / 73,982.05-111,055.99-29,639.71

Finding the Fourth Proportional to 73,982.05, 111,055.99 and 29,639.71

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Solution

The fourth proportional to 73,982.05, 111,055.99 and 29,639.71 is: 44,492.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,982.05 : 111,055.99 = 29,639.71 : x
  2. Step 2: Convert to fraction form
    73,982.05/111,055.99 = 29,639.71/x
  3. Step 3: Cross multiply
    73,982.05x = 111,055.99 × 29,639.71
  4. Step 4: Simplify right side
    73,982.05x = 3,291,667,337.36
  5. Step 5: Solve for x
    x = 3,291,667,337.36/73,982.05
  6. Step 6: Final answer
    x = 44,492.78

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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.