Home / 89,632.44-123,697.24-49,345.79

Finding the Fourth Proportional to 89,632.44, 123,697.24 and 49,345.79

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Solution

The fourth proportional to 89,632.44, 123,697.24 and 49,345.79 is: 68,099.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,632.44 : 123,697.24 = 49,345.79 : x
  2. Step 2: Convert to fraction form
    89,632.44/123,697.24 = 49,345.79/x
  3. Step 3: Cross multiply
    89,632.44x = 123,697.24 × 49,345.79
  4. Step 4: Simplify right side
    89,632.44x = 6,103,937,286.77
  5. Step 5: Solve for x
    x = 6,103,937,286.77/89,632.44
  6. Step 6: Final answer
    x = 68,099.64

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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.