Home / 57,023.68-85,549.46-40,189.54

Finding the Fourth Proportional to 57,023.68, 85,549.46 and 40,189.54

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Solution

The fourth proportional to 57,023.68, 85,549.46 and 40,189.54 is: 60,294.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,023.68 : 85,549.46 = 40,189.54 : x
  2. Step 2: Convert to fraction form
    57,023.68/85,549.46 = 40,189.54/x
  3. Step 3: Cross multiply
    57,023.68x = 85,549.46 × 40,189.54
  4. Step 4: Simplify right side
    57,023.68x = 3,438,193,444.65
  5. Step 5: Solve for x
    x = 3,438,193,444.65/57,023.68
  6. Step 6: Final answer
    x = 60,294.13

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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.