Home / 111,943.10-167,857.05-41,786.30

Finding the Fourth Proportional to 111,943.10, 167,857.05 and 41,786.30

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Solution

The fourth proportional to 111,943.10, 167,857.05 and 41,786.30 is: 62,657.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,943.10 : 167,857.05 = 41,786.30 : x
  2. Step 2: Convert to fraction form
    111,943.10/167,857.05 = 41,786.30/x
  3. Step 3: Cross multiply
    111,943.10x = 167,857.05 × 41,786.30
  4. Step 4: Simplify right side
    111,943.10x = 7,014,125,048.42
  5. Step 5: Solve for x
    x = 7,014,125,048.42/111,943.10
  6. Step 6: Final answer
    x = 62,657.95

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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.