Finding the Fourth Proportional to 75,506.68, 113,244.90 and 71,759.80
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Solution
The fourth proportional to 75,506.68, 113,244.90 and 71,759.80 is: 107,625.33
Step by Step Solution
- Step 1: Write the proportion equation
75,506.68 : 113,244.90 = 71,759.80 : x - Step 2: Convert to fraction form
75,506.68/113,244.90 = 71,759.80/x - Step 3: Cross multiply
75,506.68x = 113,244.90 × 71,759.80 - Step 4: Simplify right side
75,506.68x = 8,126,431,375.02 - Step 5: Solve for x
x = 8,126,431,375.02/75,506.68 - Step 6: Final answer
x = 107,625.33
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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.