Finding the Fourth Proportional to 88,115.84, 132,049.44 and 68,301.44
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Solution
The fourth proportional to 88,115.84, 132,049.44 and 68,301.44 is: 102,355.80
Step by Step Solution
- Step 1: Write the proportion equation
88,115.84 : 132,049.44 = 68,301.44 : x - Step 2: Convert to fraction form
88,115.84/132,049.44 = 68,301.44/x - Step 3: Cross multiply
88,115.84x = 132,049.44 × 68,301.44 - Step 4: Simplify right side
88,115.84x = 9,019,166,903.19 - Step 5: Solve for x
x = 9,019,166,903.19/88,115.84 - Step 6: Final answer
x = 102,355.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.