Finding the Fourth Proportional to 88,684.09, 122,386.64 and 48,400.44
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Solution
The fourth proportional to 88,684.09, 122,386.64 and 48,400.44 is: 66,794.02
Step by Step Solution
- Step 1: Write the proportion equation
88,684.09 : 122,386.64 = 48,400.44 : x - Step 2: Convert to fraction form
88,684.09/122,386.64 = 48,400.44/x - Step 3: Cross multiply
88,684.09x = 122,386.64 × 48,400.44 - Step 4: Simplify right side
88,684.09x = 5,923,566,982.39 - Step 5: Solve for x
x = 5,923,566,982.39/88,684.09 - Step 6: Final answer
x = 66,794.02
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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.