Home / 57,328.26-85,840.11-38,579.46

Finding the Fourth Proportional to 57,328.26, 85,840.11 and 38,579.46

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Solution

The fourth proportional to 57,328.26, 85,840.11 and 38,579.46 is: 57,766.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,328.26 : 85,840.11 = 38,579.46 : x
  2. Step 2: Convert to fraction form
    57,328.26/85,840.11 = 38,579.46/x
  3. Step 3: Cross multiply
    57,328.26x = 85,840.11 × 38,579.46
  4. Step 4: Simplify right side
    57,328.26x = 3,311,665,090.14
  5. Step 5: Solve for x
    x = 3,311,665,090.14/57,328.26
  6. Step 6: Final answer
    x = 57,766.71

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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.