Home / 50,849.75-70,172.66-28,493.75

Finding the Fourth Proportional to 50,849.75, 70,172.66 and 28,493.75

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Solution

The fourth proportional to 50,849.75, 70,172.66 and 28,493.75 is: 39,321.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,849.75 : 70,172.66 = 28,493.75 : x
  2. Step 2: Convert to fraction form
    50,849.75/70,172.66 = 28,493.75/x
  3. Step 3: Cross multiply
    50,849.75x = 70,172.66 × 28,493.75
  4. Step 4: Simplify right side
    50,849.75x = 1,999,482,477.54
  5. Step 5: Solve for x
    x = 1,999,482,477.54/50,849.75
  6. Step 6: Final answer
    x = 39,321.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.