Home / 41,772.22-62,662.02-11,786.72

Finding the Fourth Proportional to 41,772.22, 62,662.02 and 11,786.72

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Solution

The fourth proportional to 41,772.22, 62,662.02 and 11,786.72 is: 17,681.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,772.22 : 62,662.02 = 11,786.72 : x
  2. Step 2: Convert to fraction form
    41,772.22/62,662.02 = 11,786.72/x
  3. Step 3: Cross multiply
    41,772.22x = 62,662.02 × 11,786.72
  4. Step 4: Simplify right side
    41,772.22x = 738,579,796.83
  5. Step 5: Solve for x
    x = 738,579,796.83/41,772.22
  6. Step 6: Final answer
    x = 17,681.12

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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.