Finding the Fourth Proportional to 97,453.75, 134,486.25 and 52,741.75
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Solution
The fourth proportional to 97,453.75, 134,486.25 and 52,741.75 is: 72,783.66
Step by Step Solution
- Step 1: Write the proportion equation
97,453.75 : 134,486.25 = 52,741.75 : x - Step 2: Convert to fraction form
97,453.75/134,486.25 = 52,741.75/x - Step 3: Cross multiply
97,453.75x = 134,486.25 × 52,741.75 - Step 4: Simplify right side
97,453.75x = 7,093,040,175.94 - Step 5: Solve for x
x = 7,093,040,175.94/97,453.75 - Step 6: Final answer
x = 72,783.66
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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.