Finding the Fourth Proportional to 67,277.19, 100,920.69 and 27,276.96
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Solution
The fourth proportional to 67,277.19, 100,920.69 and 27,276.96 is: 40,917.43
Step by Step Solution
- Step 1: Write the proportion equation
67,277.19 : 100,920.69 = 27,276.96 : x - Step 2: Convert to fraction form
67,277.19/100,920.69 = 27,276.96/x - Step 3: Cross multiply
67,277.19x = 100,920.69 × 27,276.96 - Step 4: Simplify right side
67,277.19x = 2,752,809,624.30 - Step 5: Solve for x
x = 2,752,809,624.30/67,277.19 - Step 6: Final answer
x = 40,917.43
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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.