Home / 49,715.84-74,573.91-40,940.39

Finding the Fourth Proportional to 49,715.84, 74,573.91 and 40,940.39

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Solution

The fourth proportional to 49,715.84, 74,573.91 and 40,940.39 is: 61,410.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,715.84 : 74,573.91 = 40,940.39 : x
  2. Step 2: Convert to fraction form
    49,715.84/74,573.91 = 40,940.39/x
  3. Step 3: Cross multiply
    49,715.84x = 74,573.91 × 40,940.39
  4. Step 4: Simplify right side
    49,715.84x = 3,053,085,145.66
  5. Step 5: Solve for x
    x = 3,053,085,145.66/49,715.84
  6. Step 6: Final answer
    x = 61,410.71

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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.