Home / 83,811.26-125,795.87-30,554.73

Finding the Fourth Proportional to 83,811.26, 125,795.87 and 30,554.73

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Solution

The fourth proportional to 83,811.26, 125,795.87 and 30,554.73 is: 45,860.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,811.26 : 125,795.87 = 30,554.73 : x
  2. Step 2: Convert to fraction form
    83,811.26/125,795.87 = 30,554.73/x
  3. Step 3: Cross multiply
    83,811.26x = 125,795.87 × 30,554.73
  4. Step 4: Simplify right side
    83,811.26x = 3,843,658,842.97
  5. Step 5: Solve for x
    x = 3,843,658,842.97/83,811.26
  6. Step 6: Final answer
    x = 45,860.89

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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.