Home / 51,205.26-76,816.70-15,665.73

Finding the Fourth Proportional to 51,205.26, 76,816.70 and 15,665.73

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Solution

The fourth proportional to 51,205.26, 76,816.70 and 15,665.73 is: 23,501.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,205.26 : 76,816.70 = 15,665.73 : x
  2. Step 2: Convert to fraction form
    51,205.26/76,816.70 = 15,665.73/x
  3. Step 3: Cross multiply
    51,205.26x = 76,816.70 × 15,665.73
  4. Step 4: Simplify right side
    51,205.26x = 1,203,389,681.69
  5. Step 5: Solve for x
    x = 1,203,389,681.69/51,205.26
  6. Step 6: Final answer
    x = 23,501.29

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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.