Home / 67,142.61-100,799.55-41,880.96

Finding the Fourth Proportional to 67,142.61, 100,799.55 and 41,880.96

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Solution

The fourth proportional to 67,142.61, 100,799.55 and 41,880.96 is: 62,874.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,142.61 : 100,799.55 = 41,880.96 : x
  2. Step 2: Convert to fraction form
    67,142.61/100,799.55 = 41,880.96/x
  3. Step 3: Cross multiply
    67,142.61x = 100,799.55 × 41,880.96
  4. Step 4: Simplify right side
    67,142.61x = 4,221,581,921.57
  5. Step 5: Solve for x
    x = 4,221,581,921.57/67,142.61
  6. Step 6: Final answer
    x = 62,874.86

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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.