Finding the Fourth Proportional to 80,243.63, 110,742.49 and 44,436.97
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Solution
The fourth proportional to 80,243.63, 110,742.49 and 44,436.97 is: 61,326.50
Step by Step Solution
- Step 1: Write the proportion equation
80,243.63 : 110,742.49 = 44,436.97 : x - Step 2: Convert to fraction form
80,243.63/110,742.49 = 44,436.97/x - Step 3: Cross multiply
80,243.63x = 110,742.49 × 44,436.97 - Step 4: Simplify right side
80,243.63x = 4,921,060,899.83 - Step 5: Solve for x
x = 4,921,060,899.83/80,243.63 - Step 6: Final answer
x = 61,326.50
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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.