Home / 55,054.99-75,989.46-31,195.75

Finding the Fourth Proportional to 55,054.99, 75,989.46 and 31,195.75

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Solution

The fourth proportional to 55,054.99, 75,989.46 and 31,195.75 is: 43,057.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,054.99 : 75,989.46 = 31,195.75 : x
  2. Step 2: Convert to fraction form
    55,054.99/75,989.46 = 31,195.75/x
  3. Step 3: Cross multiply
    55,054.99x = 75,989.46 × 31,195.75
  4. Step 4: Simplify right side
    55,054.99x = 2,370,548,196.80
  5. Step 5: Solve for x
    x = 2,370,548,196.80/55,054.99
  6. Step 6: Final answer
    x = 43,057.83

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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.