Home / 84,966.72-117,249.57-49,157.33

Finding the Fourth Proportional to 84,966.72, 117,249.57 and 49,157.33

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Solution

The fourth proportional to 84,966.72, 117,249.57 and 49,157.33 is: 67,834.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,966.72 : 117,249.57 = 49,157.33 : x
  2. Step 2: Convert to fraction form
    84,966.72/117,249.57 = 49,157.33/x
  3. Step 3: Cross multiply
    84,966.72x = 117,249.57 × 49,157.33
  4. Step 4: Simplify right side
    84,966.72x = 5,763,675,218.60
  5. Step 5: Solve for x
    x = 5,763,675,218.60/84,966.72
  6. Step 6: Final answer
    x = 67,834.50

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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.