Home / 75,542.22-113,211.23-28,769.58

Finding the Fourth Proportional to 75,542.22, 113,211.23 and 28,769.58

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Solution

The fourth proportional to 75,542.22, 113,211.23 and 28,769.58 is: 43,115.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,542.22 : 113,211.23 = 28,769.58 : x
  2. Step 2: Convert to fraction form
    75,542.22/113,211.23 = 28,769.58/x
  3. Step 3: Cross multiply
    75,542.22x = 113,211.23 × 28,769.58
  4. Step 4: Simplify right side
    75,542.22x = 3,257,039,394.54
  5. Step 5: Solve for x
    x = 3,257,039,394.54/75,542.22
  6. Step 6: Final answer
    x = 43,115.48

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1.5x scale

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.