Home / 129,621.92-194,449.10-50,725.96

Finding the Fourth Proportional to 129,621.92, 194,449.10 and 50,725.96

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Solution

The fourth proportional to 129,621.92, 194,449.10 and 50,725.96 is: 76,095.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,621.92 : 194,449.10 = 50,725.96 : x
  2. Step 2: Convert to fraction form
    129,621.92/194,449.10 = 50,725.96/x
  3. Step 3: Cross multiply
    129,621.92x = 194,449.10 × 50,725.96
  4. Step 4: Simplify right side
    129,621.92x = 9,863,617,268.64
  5. Step 5: Solve for x
    x = 9,863,617,268.64/129,621.92
  6. Step 6: Final answer
    x = 76,095.29

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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.