Home / 89,475.22-123,479.04-49,192.75

Finding the Fourth Proportional to 89,475.22, 123,479.04 and 49,192.75

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Solution

The fourth proportional to 89,475.22, 123,479.04 and 49,192.75 is: 67,887.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,475.22 : 123,479.04 = 49,192.75 : x
  2. Step 2: Convert to fraction form
    89,475.22/123,479.04 = 49,192.75/x
  3. Step 3: Cross multiply
    89,475.22x = 123,479.04 × 49,192.75
  4. Step 4: Simplify right side
    89,475.22x = 6,074,273,544.96
  5. Step 5: Solve for x
    x = 6,074,273,544.96/89,475.22
  6. Step 6: Final answer
    x = 67,887.77

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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.