Home / 69,806.16-96,310.74-39,589.11

Finding the Fourth Proportional to 69,806.16, 96,310.74 and 39,589.11

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Solution

The fourth proportional to 69,806.16, 96,310.74 and 39,589.11 is: 54,620.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,806.16 : 96,310.74 = 39,589.11 : x
  2. Step 2: Convert to fraction form
    69,806.16/96,310.74 = 39,589.11/x
  3. Step 3: Cross multiply
    69,806.16x = 96,310.74 × 39,589.11
  4. Step 4: Simplify right side
    69,806.16x = 3,812,856,480.04
  5. Step 5: Solve for x
    x = 3,812,856,480.04/69,806.16
  6. Step 6: Final answer
    x = 54,620.63

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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.