Home / 84,570.36-126,845.46-22,245.72

Finding the Fourth Proportional to 84,570.36, 126,845.46 and 22,245.72

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Solution

The fourth proportional to 84,570.36, 126,845.46 and 22,245.72 is: 33,365.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,570.36 : 126,845.46 = 22,245.72 : x
  2. Step 2: Convert to fraction form
    84,570.36/126,845.46 = 22,245.72/x
  3. Step 3: Cross multiply
    84,570.36x = 126,845.46 × 22,245.72
  4. Step 4: Simplify right side
    84,570.36x = 2,821,768,586.43
  5. Step 5: Solve for x
    x = 2,821,768,586.43/84,570.36
  6. Step 6: Final answer
    x = 33,365.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.