Finding the Fourth Proportional to 88,554.28, 122,204.11 and 48,268.05
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Solution
The fourth proportional to 88,554.28, 122,204.11 and 48,268.05 is: 66,609.47
Step by Step Solution
- Step 1: Write the proportion equation
88,554.28 : 122,204.11 = 48,268.05 : x - Step 2: Convert to fraction form
88,554.28/122,204.11 = 48,268.05/x - Step 3: Cross multiply
88,554.28x = 122,204.11 × 48,268.05 - Step 4: Simplify right side
88,554.28x = 5,898,554,091.69 - Step 5: Solve for x
x = 5,898,554,091.69/88,554.28 - Step 6: Final answer
x = 66,609.47
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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.