Home / 51,645.94-77,456.16-14,204.20

Finding the Fourth Proportional to 51,645.94, 77,456.16 and 14,204.20

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Solution

The fourth proportional to 51,645.94, 77,456.16 and 14,204.20 is: 21,302.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,645.94 : 77,456.16 = 14,204.20 : x
  2. Step 2: Convert to fraction form
    51,645.94/77,456.16 = 14,204.20/x
  3. Step 3: Cross multiply
    51,645.94x = 77,456.16 × 14,204.20
  4. Step 4: Simplify right side
    51,645.94x = 1,100,202,716.85
  5. Step 5: Solve for x
    x = 1,100,202,716.85/51,645.94
  6. Step 6: Final answer
    x = 21,302.79

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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.