Home / 41,689.62-62,532.69-12,106.86

Finding the Fourth Proportional to 41,689.62, 62,532.69 and 12,106.86

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Solution

The fourth proportional to 41,689.62, 62,532.69 and 12,106.86 is: 18,159.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,689.62 : 62,532.69 = 12,106.86 : x
  2. Step 2: Convert to fraction form
    41,689.62/62,532.69 = 12,106.86/x
  3. Step 3: Cross multiply
    41,689.62x = 62,532.69 × 12,106.86
  4. Step 4: Simplify right side
    41,689.62x = 757,074,523.25
  5. Step 5: Solve for x
    x = 757,074,523.25/41,689.62
  6. Step 6: Final answer
    x = 18,159.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.