Home / 51,759.76-77,639.67-16,699.48

Finding the Fourth Proportional to 51,759.76, 77,639.67 and 16,699.48

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Solution

The fourth proportional to 51,759.76, 77,639.67 and 16,699.48 is: 25,049.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,759.76 : 77,639.67 = 16,699.48 : x
  2. Step 2: Convert to fraction form
    51,759.76/77,639.67 = 16,699.48/x
  3. Step 3: Cross multiply
    51,759.76x = 77,639.67 × 16,699.48
  4. Step 4: Simplify right side
    51,759.76x = 1,296,542,116.37
  5. Step 5: Solve for x
    x = 1,296,542,116.37/51,759.76
  6. Step 6: Final answer
    x = 25,049.23

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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.