Home / 89,378.44-123,343.26-49,093.15

Finding the Fourth Proportional to 89,378.44, 123,343.26 and 49,093.15

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Solution

The fourth proportional to 89,378.44, 123,343.26 and 49,093.15 is: 67,749.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,378.44 : 123,343.26 = 49,093.15 : x
  2. Step 2: Convert to fraction form
    89,378.44/123,343.26 = 49,093.15/x
  3. Step 3: Cross multiply
    89,378.44x = 123,343.26 × 49,093.15
  4. Step 4: Simplify right side
    89,378.44x = 6,055,309,164.67
  5. Step 5: Solve for x
    x = 6,055,309,164.67/89,378.44
  6. Step 6: Final answer
    x = 67,749.10

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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.