Finding the Fourth Proportional to 79,524.08, 109,768.77 and 50,920.75
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Solution
The fourth proportional to 79,524.08, 109,768.77 and 50,920.75 is: 70,286.99
Step by Step Solution
- Step 1: Write the proportion equation
79,524.08 : 109,768.77 = 50,920.75 : x - Step 2: Convert to fraction form
79,524.08/109,768.77 = 50,920.75/x - Step 3: Cross multiply
79,524.08x = 109,768.77 × 50,920.75 - Step 4: Simplify right side
79,524.08x = 5,589,508,232.19 - Step 5: Solve for x
x = 5,589,508,232.19/79,524.08 - Step 6: Final answer
x = 70,286.99
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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.