Home / 111,939.10-167,851.05-41,782.30

Finding the Fourth Proportional to 111,939.10, 167,851.05 and 41,782.30

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Solution

The fourth proportional to 111,939.10, 167,851.05 and 41,782.30 is: 62,651.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,939.10 : 167,851.05 = 41,782.30 : x
  2. Step 2: Convert to fraction form
    111,939.10/167,851.05 = 41,782.30/x
  3. Step 3: Cross multiply
    111,939.10x = 167,851.05 × 41,782.30
  4. Step 4: Simplify right side
    111,939.10x = 7,013,202,926.42
  5. Step 5: Solve for x
    x = 7,013,202,926.42/111,939.10
  6. Step 6: Final answer
    x = 62,651.95

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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.