Finding the Fourth Proportional to 86,624.64, 129,941.58 and 27,464.94
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Solution
The fourth proportional to 86,624.64, 129,941.58 and 27,464.94 is: 41,198.87
Step by Step Solution
- Step 1: Write the proportion equation
86,624.64 : 129,941.58 = 27,464.94 : x - Step 2: Convert to fraction form
86,624.64/129,941.58 = 27,464.94/x - Step 3: Cross multiply
86,624.64x = 129,941.58 × 27,464.94 - Step 4: Simplify right side
86,624.64x = 3,568,837,698.21 - Step 5: Solve for x
x = 3,568,837,698.21/86,624.64 - Step 6: Final answer
x = 41,198.87
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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.