Finding the Fourth Proportional to 94,861.18, 142,286.64 and 48,112.84
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Solution
The fourth proportional to 94,861.18, 142,286.64 and 48,112.84 is: 72,166.66
Step by Step Solution
- Step 1: Write the proportion equation
94,861.18 : 142,286.64 = 48,112.84 : x - Step 2: Convert to fraction form
94,861.18/142,286.64 = 48,112.84/x - Step 3: Cross multiply
94,861.18x = 142,286.64 × 48,112.84 - Step 4: Simplify right side
94,861.18x = 6,845,814,344.46 - Step 5: Solve for x
x = 6,845,814,344.46/94,861.18 - Step 6: Final answer
x = 72,166.66
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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.