Finding the Fourth Proportional to 80,786.77, 111,490.16 and 44,975.99
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Solution
The fourth proportional to 80,786.77, 111,490.16 and 44,975.99 is: 62,069.33
Step by Step Solution
- Step 1: Write the proportion equation
80,786.77 : 111,490.16 = 44,975.99 : x - Step 2: Convert to fraction form
80,786.77/111,490.16 = 44,975.99/x - Step 3: Cross multiply
80,786.77x = 111,490.16 × 44,975.99 - Step 4: Simplify right side
80,786.77x = 5,014,380,375.10 - Step 5: Solve for x
x = 5,014,380,375.10/80,786.77 - Step 6: Final answer
x = 62,069.33
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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.