Finding the Fourth Proportional to 80,400.36, 110,952.78 and 44,593.68
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Solution
The fourth proportional to 80,400.36, 110,952.78 and 44,593.68 is: 61,539.44
Step by Step Solution
- Step 1: Write the proportion equation
80,400.36 : 110,952.78 = 44,593.68 : x - Step 2: Convert to fraction form
80,400.36/110,952.78 = 44,593.68/x - Step 3: Cross multiply
80,400.36x = 110,952.78 × 44,593.68 - Step 4: Simplify right side
80,400.36x = 4,947,792,766.43 - Step 5: Solve for x
x = 4,947,792,766.43/80,400.36 - Step 6: Final answer
x = 61,539.44
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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.