Finding the Fourth Proportional to 80,213.59, 110,699.97 and 44,403.59
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Solution
The fourth proportional to 80,213.59, 110,699.97 and 44,403.59 is: 61,279.84
Step by Step Solution
- Step 1: Write the proportion equation
80,213.59 : 110,699.97 = 44,403.59 : x - Step 2: Convert to fraction form
80,213.59/110,699.97 = 44,403.59/x - Step 3: Cross multiply
80,213.59x = 110,699.97 × 44,403.59 - Step 4: Simplify right side
80,213.59x = 4,915,476,191.13 - Step 5: Solve for x
x = 4,915,476,191.13/80,213.59 - Step 6: Final answer
x = 61,279.84
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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.