Home / 49,821.87-74,402.56-43,785.75

Finding the Fourth Proportional to 49,821.87, 74,402.56 and 43,785.75

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Solution

The fourth proportional to 49,821.87, 74,402.56 and 43,785.75 is: 65,388.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,821.87 : 74,402.56 = 43,785.75 : x
  2. Step 2: Convert to fraction form
    49,821.87/74,402.56 = 43,785.75/x
  3. Step 3: Cross multiply
    49,821.87x = 74,402.56 × 43,785.75
  4. Step 4: Simplify right side
    49,821.87x = 3,257,771,891.52
  5. Step 5: Solve for x
    x = 3,257,771,891.52/49,821.87
  6. Step 6: Final answer
    x = 65,388.39

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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.