Home / 89,313.07-123,245.26-49,020.43

Finding the Fourth Proportional to 89,313.07, 123,245.26 and 49,020.43

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Solution

The fourth proportional to 89,313.07, 123,245.26 and 49,020.43 is: 67,644.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,313.07 : 123,245.26 = 49,020.43 : x
  2. Step 2: Convert to fraction form
    89,313.07/123,245.26 = 49,020.43/x
  3. Step 3: Cross multiply
    89,313.07x = 123,245.26 × 49,020.43
  4. Step 4: Simplify right side
    89,313.07x = 6,041,535,640.66
  5. Step 5: Solve for x
    x = 6,041,535,640.66/89,313.07
  6. Step 6: Final answer
    x = 67,644.47

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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.