Home / 49,954.88-74,930.59-12,515.27

Finding the Fourth Proportional to 49,954.88, 74,930.59 and 12,515.27

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Solution

The fourth proportional to 49,954.88, 74,930.59 and 12,515.27 is: 18,772.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,954.88 : 74,930.59 = 12,515.27 : x
  2. Step 2: Convert to fraction form
    49,954.88/74,930.59 = 12,515.27/x
  3. Step 3: Cross multiply
    49,954.88x = 74,930.59 × 12,515.27
  4. Step 4: Simplify right side
    49,954.88x = 937,776,721.15
  5. Step 5: Solve for x
    x = 937,776,721.15/49,954.88
  6. Step 6: Final answer
    x = 18,772.47

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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.