Home / 75,427.50-113,155.82-28,676.73

Finding the Fourth Proportional to 75,427.50, 113,155.82 and 28,676.73

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Solution

The fourth proportional to 75,427.50, 113,155.82 and 28,676.73 is: 43,020.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,427.50 : 113,155.82 = 28,676.73 : x
  2. Step 2: Convert to fraction form
    75,427.50/113,155.82 = 28,676.73/x
  3. Step 3: Cross multiply
    75,427.50x = 113,155.82 × 28,676.73
  4. Step 4: Simplify right side
    75,427.50x = 3,244,938,754.68
  5. Step 5: Solve for x
    x = 3,244,938,754.68/75,427.50
  6. Step 6: Final answer
    x = 43,020.63

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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.