Home / 103,083.20-154,608.60-36,513.80

Finding the Fourth Proportional to 103,083.20, 154,608.60 and 36,513.80

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Solution

The fourth proportional to 103,083.20, 154,608.60 and 36,513.80 is: 54,764.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,083.20 : 154,608.60 = 36,513.80 : x
  2. Step 2: Convert to fraction form
    103,083.20/154,608.60 = 36,513.80/x
  3. Step 3: Cross multiply
    103,083.20x = 154,608.60 × 36,513.80
  4. Step 4: Simplify right side
    103,083.20x = 5,645,347,498.68
  5. Step 5: Solve for x
    x = 5,645,347,498.68/103,083.20
  6. Step 6: Final answer
    x = 54,764.96

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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.