Finding the Fourth Proportional to 86,167.68, 129,320.64 and 44,626.56
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Solution
The fourth proportional to 86,167.68, 129,320.64 and 44,626.56 is: 66,975.64
Step by Step Solution
- Step 1: Write the proportion equation
86,167.68 : 129,320.64 = 44,626.56 : x - Step 2: Convert to fraction form
86,167.68/129,320.64 = 44,626.56/x - Step 3: Cross multiply
86,167.68x = 129,320.64 × 44,626.56 - Step 4: Simplify right side
86,167.68x = 5,771,135,300.20 - Step 5: Solve for x
x = 5,771,135,300.20/86,167.68 - Step 6: Final answer
x = 66,975.64
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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.