Home / 89,926.94-124,099.20-49,640.73

Finding the Fourth Proportional to 89,926.94, 124,099.20 and 49,640.73

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Solution

The fourth proportional to 89,926.94, 124,099.20 and 49,640.73 is: 68,504.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,926.94 : 124,099.20 = 49,640.73 : x
  2. Step 2: Convert to fraction form
    89,926.94/124,099.20 = 49,640.73/x
  3. Step 3: Cross multiply
    89,926.94x = 124,099.20 × 49,640.73
  4. Step 4: Simplify right side
    89,926.94x = 6,160,375,066.57
  5. Step 5: Solve for x
    x = 6,160,375,066.57/89,926.94
  6. Step 6: Final answer
    x = 68,504.22

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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.