Home / 68,763.02-103,122.92-26,640.18

Finding the Fourth Proportional to 68,763.02, 103,122.92 and 26,640.18

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Solution

The fourth proportional to 68,763.02, 103,122.92 and 26,640.18 is: 39,951.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,763.02 : 103,122.92 = 26,640.18 : x
  2. Step 2: Convert to fraction form
    68,763.02/103,122.92 = 26,640.18/x
  3. Step 3: Cross multiply
    68,763.02x = 103,122.92 × 26,640.18
  4. Step 4: Simplify right side
    68,763.02x = 2,747,213,017.72
  5. Step 5: Solve for x
    x = 2,747,213,017.72/68,763.02
  6. Step 6: Final answer
    x = 39,951.90

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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.