Home / 89,310.40-123,249.63-49,023.43

Finding the Fourth Proportional to 89,310.40, 123,249.63 and 49,023.43

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Solution

The fourth proportional to 89,310.40, 123,249.63 and 49,023.43 is: 67,653.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,310.40 : 123,249.63 = 49,023.43 : x
  2. Step 2: Convert to fraction form
    89,310.40/123,249.63 = 49,023.43/x
  3. Step 3: Cross multiply
    89,310.40x = 123,249.63 × 49,023.43
  4. Step 4: Simplify right side
    89,310.40x = 6,042,119,608.83
  5. Step 5: Solve for x
    x = 6,042,119,608.83/89,310.40
  6. Step 6: Final answer
    x = 67,653.03

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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.