Home / 89,806.26-123,940.02-49,527.90

Finding the Fourth Proportional to 89,806.26, 123,940.02 and 49,527.90

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Solution

The fourth proportional to 89,806.26, 123,940.02 and 49,527.90 is: 68,352.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,806.26 : 123,940.02 = 49,527.90 : x
  2. Step 2: Convert to fraction form
    89,806.26/123,940.02 = 49,527.90/x
  3. Step 3: Cross multiply
    89,806.26x = 123,940.02 × 49,527.90
  4. Step 4: Simplify right side
    89,806.26x = 6,138,488,916.56
  5. Step 5: Solve for x
    x = 6,138,488,916.56/89,806.26
  6. Step 6: Final answer
    x = 68,352.57

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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.