Home / 57,121.20-85,696.58-33,448.75

Finding the Fourth Proportional to 57,121.20, 85,696.58 and 33,448.75

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Solution

The fourth proportional to 57,121.20, 85,696.58 and 33,448.75 is: 50,181.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,121.20 : 85,696.58 = 33,448.75 : x
  2. Step 2: Convert to fraction form
    57,121.20/85,696.58 = 33,448.75/x
  3. Step 3: Cross multiply
    57,121.20x = 85,696.58 × 33,448.75
  4. Step 4: Simplify right side
    57,121.20x = 2,866,443,349.66
  5. Step 5: Solve for x
    x = 2,866,443,349.66/57,121.20
  6. Step 6: Final answer
    x = 50,181.78

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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.