Home / 51,174.80-76,751.62-13,725.97

Finding the Fourth Proportional to 51,174.80, 76,751.62 and 13,725.97

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Solution

The fourth proportional to 51,174.80, 76,751.62 and 13,725.97 is: 20,586.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,174.80 : 76,751.62 = 13,725.97 : x
  2. Step 2: Convert to fraction form
    51,174.80/76,751.62 = 13,725.97/x
  3. Step 3: Cross multiply
    51,174.80x = 76,751.62 × 13,725.97
  4. Step 4: Simplify right side
    51,174.80x = 1,053,490,639.11
  5. Step 5: Solve for x
    x = 1,053,490,639.11/51,174.80
  6. Step 6: Final answer
    x = 20,586.12

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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.