Finding the Fourth Proportional to 79,979.16, 110,370.36 and 44,168.46
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Solution
The fourth proportional to 79,979.16, 110,370.36 and 44,168.46 is: 60,951.99
Step by Step Solution
- Step 1: Write the proportion equation
79,979.16 : 110,370.36 = 44,168.46 : x - Step 2: Convert to fraction form
79,979.16/110,370.36 = 44,168.46/x - Step 3: Cross multiply
79,979.16x = 110,370.36 × 44,168.46 - Step 4: Simplify right side
79,979.16x = 4,874,888,830.85 - Step 5: Solve for x
x = 4,874,888,830.85/79,979.16 - Step 6: Final answer
x = 60,951.99
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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.