Home / 65,143.26-89,855.19-41,245.02

Finding the Fourth Proportional to 65,143.26, 89,855.19 and 41,245.02

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Solution

The fourth proportional to 65,143.26, 89,855.19 and 41,245.02 is: 56,891.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,143.26 : 89,855.19 = 41,245.02 : x
  2. Step 2: Convert to fraction form
    65,143.26/89,855.19 = 41,245.02/x
  3. Step 3: Cross multiply
    65,143.26x = 89,855.19 × 41,245.02
  4. Step 4: Simplify right side
    65,143.26x = 3,706,079,108.65
  5. Step 5: Solve for x
    x = 3,706,079,108.65/65,143.26
  6. Step 6: Final answer
    x = 56,891.21

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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.