Home / 49,313.64-68,033.70-31,405.44

Finding the Fourth Proportional to 49,313.64, 68,033.70 and 31,405.44

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Solution

The fourth proportional to 49,313.64, 68,033.70 and 31,405.44 is: 43,327.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,313.64 : 68,033.70 = 31,405.44 : x
  2. Step 2: Convert to fraction form
    49,313.64/68,033.70 = 31,405.44/x
  3. Step 3: Cross multiply
    49,313.64x = 68,033.70 × 31,405.44
  4. Step 4: Simplify right side
    49,313.64x = 2,136,628,283.33
  5. Step 5: Solve for x
    x = 2,136,628,283.33/49,313.64
  6. Step 6: Final answer
    x = 43,327.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.