Finding the Fourth Proportional to 88,944.26, 122,742.07 and 48,657.56
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Solution
The fourth proportional to 88,944.26, 122,742.07 and 48,657.56 is: 67,146.88
Step by Step Solution
- Step 1: Write the proportion equation
88,944.26 : 122,742.07 = 48,657.56 : x - Step 2: Convert to fraction form
88,944.26/122,742.07 = 48,657.56/x - Step 3: Cross multiply
88,944.26x = 122,742.07 × 48,657.56 - Step 4: Simplify right side
88,944.26x = 5,972,329,795.89 - Step 5: Solve for x
x = 5,972,329,795.89/88,944.26 - Step 6: Final answer
x = 67,146.88
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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.