Home / 65,842.20-90,861.57-35,626.86

Finding the Fourth Proportional to 65,842.20, 90,861.57 and 35,626.86

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Solution

The fourth proportional to 65,842.20, 90,861.57 and 35,626.86 is: 49,164.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,842.20 : 90,861.57 = 35,626.86 : x
  2. Step 2: Convert to fraction form
    65,842.20/90,861.57 = 35,626.86/x
  3. Step 3: Cross multiply
    65,842.20x = 90,861.57 × 35,626.86
  4. Step 4: Simplify right side
    65,842.20x = 3,237,112,433.77
  5. Step 5: Solve for x
    x = 3,237,112,433.77/65,842.20
  6. Step 6: Final answer
    x = 49,164.71

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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.