Finding the Fourth Proportional to 84,145.87, 126,217.81 and 24,175.80
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Solution
The fourth proportional to 84,145.87, 126,217.81 and 24,175.80 is: 36,263.41
Step by Step Solution
- Step 1: Write the proportion equation
84,145.87 : 126,217.81 = 24,175.80 : x - Step 2: Convert to fraction form
84,145.87/126,217.81 = 24,175.80/x - Step 3: Cross multiply
84,145.87x = 126,217.81 × 24,175.80 - Step 4: Simplify right side
84,145.87x = 3,051,416,561.22 - Step 5: Solve for x
x = 3,051,416,561.22/84,145.87 - Step 6: Final answer
x = 36,263.41
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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.