Home / 84,533.36-126,790.44-22,208.72

Finding the Fourth Proportional to 84,533.36, 126,790.44 and 22,208.72

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Solution

The fourth proportional to 84,533.36, 126,790.44 and 22,208.72 is: 33,310.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,533.36 : 126,790.44 = 22,208.72 : x
  2. Step 2: Convert to fraction form
    84,533.36/126,790.44 = 22,208.72/x
  3. Step 3: Cross multiply
    84,533.36x = 126,790.44 × 22,208.72
  4. Step 4: Simplify right side
    84,533.36x = 2,815,853,380.64
  5. Step 5: Solve for x
    x = 2,815,853,380.64/84,533.36
  6. Step 6: Final answer
    x = 33,310.56

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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.