Home / 100,391.08-150,570.46-29,297.04

Finding the Fourth Proportional to 100,391.08, 150,570.46 and 29,297.04

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Solution

The fourth proportional to 100,391.08, 150,570.46 and 29,297.04 is: 43,940.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,391.08 : 150,570.46 = 29,297.04 : x
  2. Step 2: Convert to fraction form
    100,391.08/150,570.46 = 29,297.04/x
  3. Step 3: Cross multiply
    100,391.08x = 150,570.46 × 29,297.04
  4. Step 4: Simplify right side
    100,391.08x = 4,411,268,789.44
  5. Step 5: Solve for x
    x = 4,411,268,789.44/100,391.08
  6. Step 6: Final answer
    x = 43,940.84

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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.