Finding the Fourth Proportional to 80,028.16, 110,439.12 and 44,218.08
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Solution
The fourth proportional to 80,028.16, 110,439.12 and 44,218.08 is: 61,021.09
Step by Step Solution
- Step 1: Write the proportion equation
80,028.16 : 110,439.12 = 44,218.08 : x - Step 2: Convert to fraction form
80,028.16/110,439.12 = 44,218.08/x - Step 3: Cross multiply
80,028.16x = 110,439.12 × 44,218.08 - Step 4: Simplify right side
80,028.16x = 4,883,405,843.29 - Step 5: Solve for x
x = 4,883,405,843.29/80,028.16 - Step 6: Final answer
x = 61,021.09
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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.