Home / 47,822.18-71,763.24-18,242.60

Finding the Fourth Proportional to 47,822.18, 71,763.24 and 18,242.60

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Solution

The fourth proportional to 47,822.18, 71,763.24 and 18,242.60 is: 27,375.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,822.18 : 71,763.24 = 18,242.60 : x
  2. Step 2: Convert to fraction form
    47,822.18/71,763.24 = 18,242.60/x
  3. Step 3: Cross multiply
    47,822.18x = 71,763.24 × 18,242.60
  4. Step 4: Simplify right side
    47,822.18x = 1,309,148,082.02
  5. Step 5: Solve for x
    x = 1,309,148,082.02/47,822.18
  6. Step 6: Final answer
    x = 27,375.33

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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.