Home / 62,891.50-93,977.94-47,815.78

Finding the Fourth Proportional to 62,891.50, 93,977.94 and 47,815.78

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Solution

The fourth proportional to 62,891.50, 93,977.94 and 47,815.78 is: 71,450.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,891.50 : 93,977.94 = 47,815.78 : x
  2. Step 2: Convert to fraction form
    62,891.50/93,977.94 = 47,815.78/x
  3. Step 3: Cross multiply
    62,891.50x = 93,977.94 × 47,815.78
  4. Step 4: Simplify right side
    62,891.50x = 4,493,628,738.84
  5. Step 5: Solve for x
    x = 4,493,628,738.84/62,891.50
  6. Step 6: Final answer
    x = 71,450.49

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.