Home / 89,733.45-123,830.46-49,450.95

Finding the Fourth Proportional to 89,733.45, 123,830.46 and 49,450.95

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Solution

The fourth proportional to 89,733.45, 123,830.46 and 49,450.95 is: 68,241.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,733.45 : 123,830.46 = 49,450.95 : x
  2. Step 2: Convert to fraction form
    89,733.45/123,830.46 = 49,450.95/x
  3. Step 3: Cross multiply
    89,733.45x = 123,830.46 × 49,450.95
  4. Step 4: Simplify right side
    89,733.45x = 6,123,533,885.94
  5. Step 5: Solve for x
    x = 6,123,533,885.94/89,733.45
  6. Step 6: Final answer
    x = 68,241.37

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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.