Finding the Fourth Proportional to 94,113.09, 141,082.98 and 40,771.53
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Solution
The fourth proportional to 94,113.09, 141,082.98 and 40,771.53 is: 61,119.75
Step by Step Solution
- Step 1: Write the proportion equation
94,113.09 : 141,082.98 = 40,771.53 : x - Step 2: Convert to fraction form
94,113.09/141,082.98 = 40,771.53/x - Step 3: Cross multiply
94,113.09x = 141,082.98 × 40,771.53 - Step 4: Simplify right side
94,113.09x = 5,752,168,951.56 - Step 5: Solve for x
x = 5,752,168,951.56/94,113.09 - Step 6: Final answer
x = 61,119.75
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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.