Home / 49,821.37-74,401.81-43,785.25

Finding the Fourth Proportional to 49,821.37, 74,401.81 and 43,785.25

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Solution

The fourth proportional to 49,821.37, 74,401.81 and 43,785.25 is: 65,387.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,821.37 : 74,401.81 = 43,785.25 : x
  2. Step 2: Convert to fraction form
    49,821.37/74,401.81 = 43,785.25/x
  3. Step 3: Cross multiply
    49,821.37x = 74,401.81 × 43,785.25
  4. Step 4: Simplify right side
    49,821.37x = 3,257,701,479.29
  5. Step 5: Solve for x
    x = 3,257,701,479.29/49,821.37
  6. Step 6: Final answer
    x = 65,387.64

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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.