Home / 51,756.89-77,635.28-16,696.53

Finding the Fourth Proportional to 51,756.89, 77,635.28 and 16,696.53

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Solution

The fourth proportional to 51,756.89, 77,635.28 and 16,696.53 is: 25,044.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,756.89 : 77,635.28 = 16,696.53 : x
  2. Step 2: Convert to fraction form
    51,756.89/77,635.28 = 16,696.53/x
  3. Step 3: Cross multiply
    51,756.89x = 77,635.28 × 16,696.53
  4. Step 4: Simplify right side
    51,756.89x = 1,296,239,698.10
  5. Step 5: Solve for x
    x = 1,296,239,698.10/51,756.89
  6. Step 6: Final answer
    x = 25,044.78

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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.