Home / 57,207.24-85,822.20-22,147.20

Finding the Fourth Proportional to 57,207.24, 85,822.20 and 22,147.20

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Solution

The fourth proportional to 57,207.24, 85,822.20 and 22,147.20 is: 33,225.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,207.24 : 85,822.20 = 22,147.20 : x
  2. Step 2: Convert to fraction form
    57,207.24/85,822.20 = 22,147.20/x
  3. Step 3: Cross multiply
    57,207.24x = 85,822.20 × 22,147.20
  4. Step 4: Simplify right side
    57,207.24x = 1,900,721,427.84
  5. Step 5: Solve for x
    x = 1,900,721,427.84/57,207.24
  6. Step 6: Final answer
    x = 33,225.19

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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.