Finding the Fourth Proportional to 77,191.75, 106,524.62 and 41,863.75
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Solution
The fourth proportional to 77,191.75, 106,524.62 and 41,863.75 is: 57,771.98
Step by Step Solution
- Step 1: Write the proportion equation
77,191.75 : 106,524.62 = 41,863.75 : x - Step 2: Convert to fraction form
77,191.75/106,524.62 = 41,863.75/x - Step 3: Cross multiply
77,191.75x = 106,524.62 × 41,863.75 - Step 4: Simplify right side
77,191.75x = 4,459,520,060.53 - Step 5: Solve for x
x = 4,459,520,060.53/77,191.75 - Step 6: Final answer
x = 57,771.98
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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.