Home / 80,110.88-120,172.70-46,834.36

Finding the Fourth Proportional to 80,110.88, 120,172.70 and 46,834.36

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Solution

The fourth proportional to 80,110.88, 120,172.70 and 46,834.36 is: 70,255.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,110.88 : 120,172.70 = 46,834.36 : x
  2. Step 2: Convert to fraction form
    80,110.88/120,172.70 = 46,834.36/x
  3. Step 3: Cross multiply
    80,110.88x = 120,172.70 × 46,834.36
  4. Step 4: Simplify right side
    80,110.88x = 5,628,211,493.97
  5. Step 5: Solve for x
    x = 5,628,211,493.97/80,110.88
  6. Step 6: Final answer
    x = 70,255.27

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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.