Home / 71,049.24-106,472.10-52,181.28

Finding the Fourth Proportional to 71,049.24, 106,472.10 and 52,181.28

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Solution

The fourth proportional to 71,049.24, 106,472.10 and 52,181.28 is: 78,197.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,049.24 : 106,472.10 = 52,181.28 : x
  2. Step 2: Convert to fraction form
    71,049.24/106,472.10 = 52,181.28/x
  3. Step 3: Cross multiply
    71,049.24x = 106,472.10 × 52,181.28
  4. Step 4: Simplify right side
    71,049.24x = 5,555,850,462.29
  5. Step 5: Solve for x
    x = 5,555,850,462.29/71,049.24
  6. Step 6: Final answer
    x = 78,197.18

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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.