Finding the Fourth Proportional to 88,600.82, 122,272.09 and 48,316.79
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Solution
The fourth proportional to 88,600.82, 122,272.09 and 48,316.79 is: 66,678.78
Step by Step Solution
- Step 1: Write the proportion equation
88,600.82 : 122,272.09 = 48,316.79 : x - Step 2: Convert to fraction form
88,600.82/122,272.09 = 48,316.79/x - Step 3: Cross multiply
88,600.82x = 122,272.09 × 48,316.79 - Step 4: Simplify right side
88,600.82x = 5,907,794,621.76 - Step 5: Solve for x
x = 5,907,794,621.76/88,600.82 - Step 6: Final answer
x = 66,678.78
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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.