Home / 51,173.09-76,771.31-15,639.46

Finding the Fourth Proportional to 51,173.09, 76,771.31 and 15,639.46

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Solution

The fourth proportional to 51,173.09, 76,771.31 and 15,639.46 is: 23,462.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,173.09 : 76,771.31 = 15,639.46 : x
  2. Step 2: Convert to fraction form
    51,173.09/76,771.31 = 15,639.46/x
  3. Step 3: Cross multiply
    51,173.09x = 76,771.31 × 15,639.46
  4. Step 4: Simplify right side
    51,173.09x = 1,200,661,952.63
  5. Step 5: Solve for x
    x = 1,200,661,952.63/51,173.09
  6. Step 6: Final answer
    x = 23,462.76

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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.