Home / 109,861.55-164,792.33-50,679.71

Finding the Fourth Proportional to 109,861.55, 164,792.33 and 50,679.71

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Solution

The fourth proportional to 109,861.55, 164,792.33 and 50,679.71 is: 76,019.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,861.55 : 164,792.33 = 50,679.71 : x
  2. Step 2: Convert to fraction form
    109,861.55/164,792.33 = 50,679.71/x
  3. Step 3: Cross multiply
    109,861.55x = 164,792.33 × 50,679.71
  4. Step 4: Simplify right side
    109,861.55x = 8,351,627,494.62
  5. Step 5: Solve for x
    x = 8,351,627,494.62/109,861.55
  6. Step 6: Final answer
    x = 76,019.57

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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.