Home / 50,738.85-76,138.34-28,268.33

Finding the Fourth Proportional to 50,738.85, 76,138.34 and 28,268.33

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Solution

The fourth proportional to 50,738.85, 76,138.34 and 28,268.33 is: 42,419.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,738.85 : 76,138.34 = 28,268.33 : x
  2. Step 2: Convert to fraction form
    50,738.85/76,138.34 = 28,268.33/x
  3. Step 3: Cross multiply
    50,738.85x = 76,138.34 × 28,268.33
  4. Step 4: Simplify right side
    50,738.85x = 2,152,303,920.66
  5. Step 5: Solve for x
    x = 2,152,303,920.66/50,738.85
  6. Step 6: Final answer
    x = 42,419.25

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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.