Home / 80,120.18-110,563.96-44,309.42

Finding the Fourth Proportional to 80,120.18, 110,563.96 and 44,309.42

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Solution

The fourth proportional to 80,120.18, 110,563.96 and 44,309.42 is: 61,145.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,120.18 : 110,563.96 = 44,309.42 : x
  2. Step 2: Convert to fraction form
    80,120.18/110,563.96 = 44,309.42/x
  3. Step 3: Cross multiply
    80,120.18x = 110,563.96 × 44,309.42
  4. Step 4: Simplify right side
    80,120.18x = 4,899,024,463.35
  5. Step 5: Solve for x
    x = 4,899,024,463.35/80,120.18
  6. Step 6: Final answer
    x = 61,145.95

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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.