Home / 101,183.13-139,625.55-55,853.84

Finding the Fourth Proportional to 101,183.13, 139,625.55 and 55,853.84

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Solution

The fourth proportional to 101,183.13, 139,625.55 and 55,853.84 is: 77,074.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,183.13 : 139,625.55 = 55,853.84 : x
  2. Step 2: Convert to fraction form
    101,183.13/139,625.55 = 55,853.84/x
  3. Step 3: Cross multiply
    101,183.13x = 139,625.55 × 55,853.84
  4. Step 4: Simplify right side
    101,183.13x = 7,798,622,431.48
  5. Step 5: Solve for x
    x = 7,798,622,431.48/101,183.13
  6. Step 6: Final answer
    x = 77,074.33

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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.