Home / 45,049.10-67,577.22-13,456.83

Finding the Fourth Proportional to 45,049.10, 67,577.22 and 13,456.83

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Solution

The fourth proportional to 45,049.10, 67,577.22 and 13,456.83 is: 20,186.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,049.10 : 67,577.22 = 13,456.83 : x
  2. Step 2: Convert to fraction form
    45,049.10/67,577.22 = 13,456.83/x
  3. Step 3: Cross multiply
    45,049.10x = 67,577.22 × 13,456.83
  4. Step 4: Simplify right side
    45,049.10x = 909,375,414.83
  5. Step 5: Solve for x
    x = 909,375,414.83/45,049.10
  6. Step 6: Final answer
    x = 20,186.32

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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.