Finding the Fourth Proportional to 79,636.34, 119,528.42 and 40,221.13
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Solution
The fourth proportional to 79,636.34, 119,528.42 and 40,221.13 is: 60,369.02
Step by Step Solution
- Step 1: Write the proportion equation
79,636.34 : 119,528.42 = 40,221.13 : x - Step 2: Convert to fraction form
79,636.34/119,528.42 = 40,221.13/x - Step 3: Cross multiply
79,636.34x = 119,528.42 × 40,221.13 - Step 4: Simplify right side
79,636.34x = 4,807,568,119.51 - Step 5: Solve for x
x = 4,807,568,119.51/79,636.34 - Step 6: Final answer
x = 60,369.02
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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.