Finding the Fourth Proportional to 88,767.96, 122,499.14 and 48,481.74
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Solution
The fourth proportional to 88,767.96, 122,499.14 and 48,481.74 is: 66,904.45
Step by Step Solution
- Step 1: Write the proportion equation
88,767.96 : 122,499.14 = 48,481.74 : x - Step 2: Convert to fraction form
88,767.96/122,499.14 = 48,481.74/x - Step 3: Cross multiply
88,767.96x = 122,499.14 × 48,481.74 - Step 4: Simplify right side
88,767.96x = 5,938,971,213.29 - Step 5: Solve for x
x = 5,938,971,213.29/88,767.96 - Step 6: Final answer
x = 66,904.45
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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.