Finding the Fourth Proportional to 76,756.23, 115,149.87 and 32,383.08
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Solution
The fourth proportional to 76,756.23, 115,149.87 and 32,383.08 is: 48,581.17
Step by Step Solution
- Step 1: Write the proportion equation
76,756.23 : 115,149.87 = 32,383.08 : x - Step 2: Convert to fraction form
76,756.23/115,149.87 = 32,383.08/x - Step 3: Cross multiply
76,756.23x = 115,149.87 × 32,383.08 - Step 4: Simplify right side
76,756.23x = 3,728,907,452.20 - Step 5: Solve for x
x = 3,728,907,452.20/76,756.23 - Step 6: Final answer
x = 48,581.17
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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.