Finding the Fourth Proportional to 88,383.92, 121,965.36 and 48,096.68
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Solution
The fourth proportional to 88,383.92, 121,965.36 and 48,096.68 is: 66,371.00
Step by Step Solution
- Step 1: Write the proportion equation
88,383.92 : 121,965.36 = 48,096.68 : x - Step 2: Convert to fraction form
88,383.92/121,965.36 = 48,096.68/x - Step 3: Cross multiply
88,383.92x = 121,965.36 × 48,096.68 - Step 4: Simplify right side
88,383.92x = 5,866,128,891.00 - Step 5: Solve for x
x = 5,866,128,891.00/88,383.92 - Step 6: Final answer
x = 66,371.00
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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.