Home / 89,448.99-123,440.38-49,163.69

Finding the Fourth Proportional to 89,448.99, 123,440.38 and 49,163.69

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Solution

The fourth proportional to 89,448.99, 123,440.38 and 49,163.69 is: 67,846.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,448.99 : 123,440.38 = 49,163.69 : x
  2. Step 2: Convert to fraction form
    89,448.99/123,440.38 = 49,163.69/x
  3. Step 3: Cross multiply
    89,448.99x = 123,440.38 × 49,163.69
  4. Step 4: Simplify right side
    89,448.99x = 6,068,784,899.77
  5. Step 5: Solve for x
    x = 6,068,784,899.77/89,448.99
  6. Step 6: Final answer
    x = 67,846.32

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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.