Home / 89,378.25-123,342.98-49,092.94

Finding the Fourth Proportional to 89,378.25, 123,342.98 and 49,092.94

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Solution

The fourth proportional to 89,378.25, 123,342.98 and 49,092.94 is: 67,748.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,378.25 : 123,342.98 = 49,092.94 : x
  2. Step 2: Convert to fraction form
    89,378.25/123,342.98 = 49,092.94/x
  3. Step 3: Cross multiply
    89,378.25x = 123,342.98 × 49,092.94
  4. Step 4: Simplify right side
    89,378.25x = 6,055,269,516.56
  5. Step 5: Solve for x
    x = 6,055,269,516.56/89,378.25
  6. Step 6: Final answer
    x = 67,748.80

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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.