Home / 57,811.57-79,792.82-35,145.75

Finding the Fourth Proportional to 57,811.57, 79,792.82 and 35,145.75

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Solution

The fourth proportional to 57,811.57, 79,792.82 and 35,145.75 is: 48,508.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,811.57 : 79,792.82 = 35,145.75 : x
  2. Step 2: Convert to fraction form
    57,811.57/79,792.82 = 35,145.75/x
  3. Step 3: Cross multiply
    57,811.57x = 79,792.82 × 35,145.75
  4. Step 4: Simplify right side
    57,811.57x = 2,804,378,591.38
  5. Step 5: Solve for x
    x = 2,804,378,591.38/57,811.57
  6. Step 6: Final answer
    x = 48,508.95

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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.