Home / 57,578.31-79,475.18-36,371.70

Finding the Fourth Proportional to 57,578.31, 79,475.18 and 36,371.70

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Solution

The fourth proportional to 57,578.31, 79,475.18 and 36,371.70 is: 50,203.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,578.31 : 79,475.18 = 36,371.70 : x
  2. Step 2: Convert to fraction form
    57,578.31/79,475.18 = 36,371.70/x
  3. Step 3: Cross multiply
    57,578.31x = 79,475.18 × 36,371.70
  4. Step 4: Simplify right side
    57,578.31x = 2,890,647,222.55
  5. Step 5: Solve for x
    x = 2,890,647,222.55/57,578.31
  6. Step 6: Final answer
    x = 50,203.75

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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.