Home / 67,845.21-93,637.59-37,640.26

Finding the Fourth Proportional to 67,845.21, 93,637.59 and 37,640.26

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Solution

The fourth proportional to 67,845.21, 93,637.59 and 37,640.26 is: 51,949.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,845.21 : 93,637.59 = 37,640.26 : x
  2. Step 2: Convert to fraction form
    67,845.21/93,637.59 = 37,640.26/x
  3. Step 3: Cross multiply
    67,845.21x = 93,637.59 × 37,640.26
  4. Step 4: Simplify right side
    67,845.21x = 3,524,543,329.34
  5. Step 5: Solve for x
    x = 3,524,543,329.34/67,845.21
  6. Step 6: Final answer
    x = 51,949.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.