Finding the Fourth Proportional to 80,121.92, 110,566.08 and 44,313.44
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Solution
The fourth proportional to 80,121.92, 110,566.08 and 44,313.44 is: 61,151.34
Step by Step Solution
- Step 1: Write the proportion equation
80,121.92 : 110,566.08 = 44,313.44 : x - Step 2: Convert to fraction form
80,121.92/110,566.08 = 44,313.44/x - Step 3: Cross multiply
80,121.92x = 110,566.08 × 44,313.44 - Step 4: Simplify right side
80,121.92x = 4,899,562,799.28 - Step 5: Solve for x
x = 4,899,562,799.28/80,121.92 - Step 6: Final answer
x = 61,151.34
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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.