Home / 84,498.75-126,809.19-33,215.06

Finding the Fourth Proportional to 84,498.75, 126,809.19 and 33,215.06

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Solution

The fourth proportional to 84,498.75, 126,809.19 and 33,215.06 is: 49,846.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,498.75 : 126,809.19 = 33,215.06 : x
  2. Step 2: Convert to fraction form
    84,498.75/126,809.19 = 33,215.06/x
  3. Step 3: Cross multiply
    84,498.75x = 126,809.19 × 33,215.06
  4. Step 4: Simplify right side
    84,498.75x = 4,211,974,054.28
  5. Step 5: Solve for x
    x = 4,211,974,054.28/84,498.75
  6. Step 6: Final answer
    x = 49,846.58

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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.