Home / 272,022.66-408,033.27-72,343.08

Finding the Fourth Proportional to 272,022.66, 408,033.27 and 72,343.08

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Solution

The fourth proportional to 272,022.66, 408,033.27 and 72,343.08 is: 108,514.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,022.66 : 408,033.27 = 72,343.08 : x
  2. Step 2: Convert to fraction form
    272,022.66/408,033.27 = 72,343.08/x
  3. Step 3: Cross multiply
    272,022.66x = 408,033.27 × 72,343.08
  4. Step 4: Simplify right side
    272,022.66x = 29,518,383,494.27
  5. Step 5: Solve for x
    x = 29,518,383,494.27/272,022.66
  6. Step 6: Final answer
    x = 108,514.43

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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.