Home / 57,426.20-85,896.30-51,545.60

Finding the Fourth Proportional to 57,426.20, 85,896.30 and 51,545.60

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Solution

The fourth proportional to 57,426.20, 85,896.30 and 51,545.60 is: 77,100.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,426.20 : 85,896.30 = 51,545.60 : x
  2. Step 2: Convert to fraction form
    57,426.20/85,896.30 = 51,545.60/x
  3. Step 3: Cross multiply
    57,426.20x = 85,896.30 × 51,545.60
  4. Step 4: Simplify right side
    57,426.20x = 4,427,576,321.28
  5. Step 5: Solve for x
    x = 4,427,576,321.28/57,426.20
  6. Step 6: Final answer
    x = 77,100.28

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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.