Home / 50,247.25-75,671.69-45,763.21

Finding the Fourth Proportional to 50,247.25, 75,671.69 and 45,763.21

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Solution

The fourth proportional to 50,247.25, 75,671.69 and 45,763.21 is: 68,918.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,247.25 : 75,671.69 = 45,763.21 : x
  2. Step 2: Convert to fraction form
    50,247.25/75,671.69 = 45,763.21/x
  3. Step 3: Cross multiply
    50,247.25x = 75,671.69 × 45,763.21
  4. Step 4: Simplify right side
    50,247.25x = 3,462,979,629.70
  5. Step 5: Solve for x
    x = 3,462,979,629.70/50,247.25
  6. Step 6: Final answer
    x = 68,918.80

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.