Home / 77,199.20-115,809.87-23,895.86

Finding the Fourth Proportional to 77,199.20, 115,809.87 and 23,895.86

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Solution

The fourth proportional to 77,199.20, 115,809.87 and 23,895.86 is: 35,847.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,199.20 : 115,809.87 = 23,895.86 : x
  2. Step 2: Convert to fraction form
    77,199.20/115,809.87 = 23,895.86/x
  3. Step 3: Cross multiply
    77,199.20x = 115,809.87 × 23,895.86
  4. Step 4: Simplify right side
    77,199.20x = 2,767,375,861.09
  5. Step 5: Solve for x
    x = 2,767,375,861.09/77,199.20
  6. Step 6: Final answer
    x = 35,847.21

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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.