Home / 89,380.56-123,339.72-49,086.48

Finding the Fourth Proportional to 89,380.56, 123,339.72 and 49,086.48

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Solution

The fourth proportional to 89,380.56, 123,339.72 and 49,086.48 is: 67,736.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,380.56 : 123,339.72 = 49,086.48 : x
  2. Step 2: Convert to fraction form
    89,380.56/123,339.72 = 49,086.48/x
  3. Step 3: Cross multiply
    89,380.56x = 123,339.72 × 49,086.48
  4. Step 4: Simplify right side
    89,380.56x = 6,054,312,698.99
  5. Step 5: Solve for x
    x = 6,054,312,698.99/89,380.56
  6. Step 6: Final answer
    x = 67,736.35

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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.