Home / 45,318.68-62,556.62-38,919.57

Finding the Fourth Proportional to 45,318.68, 62,556.62 and 38,919.57

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Solution

The fourth proportional to 45,318.68, 62,556.62 and 38,919.57 is: 53,723.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,318.68 : 62,556.62 = 38,919.57 : x
  2. Step 2: Convert to fraction form
    45,318.68/62,556.62 = 38,919.57/x
  3. Step 3: Cross multiply
    45,318.68x = 62,556.62 × 38,919.57
  4. Step 4: Simplify right side
    45,318.68x = 2,434,676,810.15
  5. Step 5: Solve for x
    x = 2,434,676,810.15/45,318.68
  6. Step 6: Final answer
    x = 53,723.47

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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.