Home / 51,715.68-77,571.97-14,278.04

Finding the Fourth Proportional to 51,715.68, 77,571.97 and 14,278.04

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Solution

The fourth proportional to 51,715.68, 77,571.97 and 14,278.04 is: 21,416.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,715.68 : 77,571.97 = 14,278.04 : x
  2. Step 2: Convert to fraction form
    51,715.68/77,571.97 = 14,278.04/x
  3. Step 3: Cross multiply
    51,715.68x = 77,571.97 × 14,278.04
  4. Step 4: Simplify right side
    51,715.68x = 1,107,575,690.54
  5. Step 5: Solve for x
    x = 1,107,575,690.54/51,715.68
  6. Step 6: Final answer
    x = 21,416.63

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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.