Home / 80,445.14-120,674.81-29,844.76

Finding the Fourth Proportional to 80,445.14, 120,674.81 and 29,844.76

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Solution

The fourth proportional to 80,445.14, 120,674.81 and 29,844.76 is: 44,769.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,445.14 : 120,674.81 = 29,844.76 : x
  2. Step 2: Convert to fraction form
    80,445.14/120,674.81 = 29,844.76/x
  3. Step 3: Cross multiply
    80,445.14x = 120,674.81 × 29,844.76
  4. Step 4: Simplify right side
    80,445.14x = 3,601,509,989.90
  5. Step 5: Solve for x
    x = 3,601,509,989.90/80,445.14
  6. Step 6: Final answer
    x = 44,769.76

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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.