Home / 82,819.89-124,229.84-54,733.34

Finding the Fourth Proportional to 82,819.89, 124,229.84 and 54,733.34

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Solution

The fourth proportional to 82,819.89, 124,229.84 and 54,733.34 is: 82,100.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,819.89 : 124,229.84 = 54,733.34 : x
  2. Step 2: Convert to fraction form
    82,819.89/124,229.84 = 54,733.34/x
  3. Step 3: Cross multiply
    82,819.89x = 124,229.84 × 54,733.34
  4. Step 4: Simplify right side
    82,819.89x = 6,799,514,107.77
  5. Step 5: Solve for x
    x = 6,799,514,107.77/82,819.89
  6. Step 6: Final answer
    x = 82,100.01

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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.