Home / 68,963.05-103,247.21-46,736.90

Finding the Fourth Proportional to 68,963.05, 103,247.21 and 46,736.90

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Solution

The fourth proportional to 68,963.05, 103,247.21 and 46,736.90 is: 69,971.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,963.05 : 103,247.21 = 46,736.90 : x
  2. Step 2: Convert to fraction form
    68,963.05/103,247.21 = 46,736.90/x
  3. Step 3: Cross multiply
    68,963.05x = 103,247.21 × 46,736.90
  4. Step 4: Simplify right side
    68,963.05x = 4,825,454,253.94
  5. Step 5: Solve for x
    x = 4,825,454,253.94/68,963.05
  6. Step 6: Final answer
    x = 69,971.59

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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.