Finding the Fourth Proportional to 88,636.92, 122,316.72 and 48,351.60
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Solution
The fourth proportional to 88,636.92, 122,316.72 and 48,351.60 is: 66,723.99
Step by Step Solution
- Step 1: Write the proportion equation
88,636.92 : 122,316.72 = 48,351.60 : x - Step 2: Convert to fraction form
88,636.92/122,316.72 = 48,351.60/x - Step 3: Cross multiply
88,636.92x = 122,316.72 × 48,351.60 - Step 4: Simplify right side
88,636.92x = 5,914,209,118.75 - Step 5: Solve for x
x = 5,914,209,118.75/88,636.92 - Step 6: Final answer
x = 66,723.99
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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.