Finding the Fourth Proportional to 106,624.26, 159,841.35 and 54,006.66
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Solution
The fourth proportional to 106,624.26, 159,841.35 and 54,006.66 is: 80,961.85
Step by Step Solution
- Step 1: Write the proportion equation
106,624.26 : 159,841.35 = 54,006.66 : x - Step 2: Convert to fraction form
106,624.26/159,841.35 = 54,006.66/x - Step 3: Cross multiply
106,624.26x = 159,841.35 × 54,006.66 - Step 4: Simplify right side
106,624.26x = 8,632,497,443.39 - Step 5: Solve for x
x = 8,632,497,443.39/106,624.26 - Step 6: Final answer
x = 80,961.85
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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.