Home / 55,131.14-76,069.37-36,039.01

Finding the Fourth Proportional to 55,131.14, 76,069.37 and 36,039.01

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Solution

The fourth proportional to 55,131.14, 76,069.37 and 36,039.01 is: 49,726.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,131.14 : 76,069.37 = 36,039.01 : x
  2. Step 2: Convert to fraction form
    55,131.14/76,069.37 = 36,039.01/x
  3. Step 3: Cross multiply
    55,131.14x = 76,069.37 × 36,039.01
  4. Step 4: Simplify right side
    55,131.14x = 2,741,464,786.12
  5. Step 5: Solve for x
    x = 2,741,464,786.12/55,131.14
  6. Step 6: Final answer
    x = 49,726.25

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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.