Home / 83,611.41-125,453.87-39,234.35

Finding the Fourth Proportional to 83,611.41, 125,453.87 and 39,234.35

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Solution

The fourth proportional to 83,611.41, 125,453.87 and 39,234.35 is: 58,868.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,611.41 : 125,453.87 = 39,234.35 : x
  2. Step 2: Convert to fraction form
    83,611.41/125,453.87 = 39,234.35/x
  3. Step 3: Cross multiply
    83,611.41x = 125,453.87 × 39,234.35
  4. Step 4: Simplify right side
    83,611.41x = 4,922,100,220.99
  5. Step 5: Solve for x
    x = 4,922,100,220.99/83,611.41
  6. Step 6: Final answer
    x = 58,868.76

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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.