Home / 51,272.75-76,922.13-14,336.75

Finding the Fourth Proportional to 51,272.75, 76,922.13 and 14,336.75

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Solution

The fourth proportional to 51,272.75, 76,922.13 and 14,336.75 is: 21,508.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,272.75 : 76,922.13 = 14,336.75 : x
  2. Step 2: Convert to fraction form
    51,272.75/76,922.13 = 14,336.75/x
  3. Step 3: Cross multiply
    51,272.75x = 76,922.13 × 14,336.75
  4. Step 4: Simplify right side
    51,272.75x = 1,102,813,347.28
  5. Step 5: Solve for x
    x = 1,102,813,347.28/51,272.75
  6. Step 6: Final answer
    x = 21,508.76

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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.