Finding the Fourth Proportional to 79,636.60, 119,379.96 and 27,008.68
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Solution
The fourth proportional to 79,636.60, 119,379.96 and 27,008.68 is: 40,487.60
Step by Step Solution
- Step 1: Write the proportion equation
79,636.60 : 119,379.96 = 27,008.68 : x - Step 2: Convert to fraction form
79,636.60/119,379.96 = 27,008.68/x - Step 3: Cross multiply
79,636.60x = 119,379.96 × 27,008.68 - Step 4: Simplify right side
79,636.60x = 3,224,295,138.05 - Step 5: Solve for x
x = 3,224,295,138.05/79,636.60 - Step 6: Final answer
x = 40,487.60
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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.