Finding the Fourth Proportional to 79,925.22, 119,843.67 and 50,279.63
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Solution
The fourth proportional to 79,925.22, 119,843.67 and 50,279.63 is: 75,391.66
Step by Step Solution
- Step 1: Write the proportion equation
79,925.22 : 119,843.67 = 50,279.63 : x - Step 2: Convert to fraction form
79,925.22/119,843.67 = 50,279.63/x - Step 3: Cross multiply
79,925.22x = 119,843.67 × 50,279.63 - Step 4: Simplify right side
79,925.22x = 6,025,694,786.22 - Step 5: Solve for x
x = 6,025,694,786.22/79,925.22 - Step 6: Final answer
x = 75,391.66
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.