Home / 89,520.74-123,536.12-49,234.48

Finding the Fourth Proportional to 89,520.74, 123,536.12 and 49,234.48

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Solution

The fourth proportional to 89,520.74, 123,536.12 and 49,234.48 is: 67,942.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,520.74 : 123,536.12 = 49,234.48 : x
  2. Step 2: Convert to fraction form
    89,520.74/123,536.12 = 49,234.48/x
  3. Step 3: Cross multiply
    89,520.74x = 123,536.12 × 49,234.48
  4. Step 4: Simplify right side
    89,520.74x = 6,082,236,629.42
  5. Step 5: Solve for x
    x = 6,082,236,629.42/89,520.74
  6. Step 6: Final answer
    x = 67,942.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.