Home / 57,318.45-79,099.38-33,440.49

Finding the Fourth Proportional to 57,318.45, 79,099.38 and 33,440.49

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Solution

The fourth proportional to 57,318.45, 79,099.38 and 33,440.49 is: 46,147.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,318.45 : 79,099.38 = 33,440.49 : x
  2. Step 2: Convert to fraction form
    57,318.45/79,099.38 = 33,440.49/x
  3. Step 3: Cross multiply
    57,318.45x = 79,099.38 × 33,440.49
  4. Step 4: Simplify right side
    57,318.45x = 2,645,122,025.90
  5. Step 5: Solve for x
    x = 2,645,122,025.90/57,318.45
  6. Step 6: Final answer
    x = 46,147.83

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1.5x scale

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.