Home / 45,318.72-62,556.68-38,919.62

Finding the Fourth Proportional to 45,318.72, 62,556.68 and 38,919.62

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Solution

The fourth proportional to 45,318.72, 62,556.68 and 38,919.62 is: 53,723.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,318.72 : 62,556.68 = 38,919.62 : x
  2. Step 2: Convert to fraction form
    45,318.72/62,556.68 = 38,919.62/x
  3. Step 3: Cross multiply
    45,318.72x = 62,556.68 × 38,919.62
  4. Step 4: Simplify right side
    45,318.72x = 2,434,681,706.68
  5. Step 5: Solve for x
    x = 2,434,681,706.68/45,318.72
  6. Step 6: Final answer
    x = 53,723.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.