Finding the Fourth Proportional to 86,697.26, 119,651.94 and 48,973.94
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Solution
The fourth proportional to 86,697.26, 119,651.94 and 48,973.94 is: 67,589.53
Step by Step Solution
- Step 1: Write the proportion equation
86,697.26 : 119,651.94 = 48,973.94 : x - Step 2: Convert to fraction form
86,697.26/119,651.94 = 48,973.94/x - Step 3: Cross multiply
86,697.26x = 119,651.94 × 48,973.94 - Step 4: Simplify right side
86,697.26x = 5,859,826,930.44 - Step 5: Solve for x
x = 5,859,826,930.44/86,697.26 - Step 6: Final answer
x = 67,589.53
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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.