Home / 65,819.86-90,823.61-37,137.85

Finding the Fourth Proportional to 65,819.86, 90,823.61 and 37,137.85

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Solution

The fourth proportional to 65,819.86, 90,823.61 and 37,137.85 is: 51,245.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,819.86 : 90,823.61 = 37,137.85 : x
  2. Step 2: Convert to fraction form
    65,819.86/90,823.61 = 37,137.85/x
  3. Step 3: Cross multiply
    65,819.86x = 90,823.61 × 37,137.85
  4. Step 4: Simplify right side
    65,819.86x = 3,372,993,470.42
  5. Step 5: Solve for x
    x = 3,372,993,470.42/65,819.86
  6. Step 6: Final answer
    x = 51,245.83

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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.