Home / 82,028.13-122,930.33-41,963.23

Finding the Fourth Proportional to 82,028.13, 122,930.33 and 41,963.23

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Solution

The fourth proportional to 82,028.13, 122,930.33 and 41,963.23 is: 62,887.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,028.13 : 122,930.33 = 41,963.23 : x
  2. Step 2: Convert to fraction form
    82,028.13/122,930.33 = 41,963.23/x
  3. Step 3: Cross multiply
    82,028.13x = 122,930.33 × 41,963.23
  4. Step 4: Simplify right side
    82,028.13x = 5,158,554,136.21
  5. Step 5: Solve for x
    x = 5,158,554,136.21/82,028.13
  6. Step 6: Final answer
    x = 62,887.62

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1.5x scale

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.