Home / 57,021.16-84,963.41-50,813.80

Finding the Fourth Proportional to 57,021.16, 84,963.41 and 50,813.80

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Solution

The fourth proportional to 57,021.16, 84,963.41 and 50,813.80 is: 75,714.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,021.16 : 84,963.41 = 50,813.80 : x
  2. Step 2: Convert to fraction form
    57,021.16/84,963.41 = 50,813.80/x
  3. Step 3: Cross multiply
    57,021.16x = 84,963.41 × 50,813.80
  4. Step 4: Simplify right side
    57,021.16x = 4,317,313,723.06
  5. Step 5: Solve for x
    x = 4,317,313,723.06/57,021.16
  6. Step 6: Final answer
    x = 75,714.24

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.