Home / 75,062.05-112,575.38-27,651.39

Finding the Fourth Proportional to 75,062.05, 112,575.38 and 27,651.39

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Solution

The fourth proportional to 75,062.05, 112,575.38 and 27,651.39 is: 41,470.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,062.05 : 112,575.38 = 27,651.39 : x
  2. Step 2: Convert to fraction form
    75,062.05/112,575.38 = 27,651.39/x
  3. Step 3: Cross multiply
    75,062.05x = 112,575.38 × 27,651.39
  4. Step 4: Simplify right side
    75,062.05x = 3,112,865,736.78
  5. Step 5: Solve for x
    x = 3,112,865,736.78/75,062.05
  6. Step 6: Final answer
    x = 41,470.57

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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.