Home / 57,414.20-85,878.30-51,533.60

Finding the Fourth Proportional to 57,414.20, 85,878.30 and 51,533.60

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Solution

The fourth proportional to 57,414.20, 85,878.30 and 51,533.60 is: 77,082.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,414.20 : 85,878.30 = 51,533.60 : x
  2. Step 2: Convert to fraction form
    57,414.20/85,878.30 = 51,533.60/x
  3. Step 3: Cross multiply
    57,414.20x = 85,878.30 × 51,533.60
  4. Step 4: Simplify right side
    57,414.20x = 4,425,617,960.88
  5. Step 5: Solve for x
    x = 4,425,617,960.88/57,414.20
  6. Step 6: Final answer
    x = 77,082.29

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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.