Finding the Fourth Proportional to 85,463.21, 128,193.39 and 32,884.08
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Solution
The fourth proportional to 85,463.21, 128,193.39 and 32,884.08 is: 49,325.57
Step by Step Solution
- Step 1: Write the proportion equation
85,463.21 : 128,193.39 = 32,884.08 : x - Step 2: Convert to fraction form
85,463.21/128,193.39 = 32,884.08/x - Step 3: Cross multiply
85,463.21x = 128,193.39 × 32,884.08 - Step 4: Simplify right side
85,463.21x = 4,215,521,692.23 - Step 5: Solve for x
x = 4,215,521,692.23/85,463.21 - Step 6: Final answer
x = 49,325.57
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1.5x scale
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.