Finding the Fourth Proportional to 76,845.48, 115,240.50 and 32,475.66
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Solution
The fourth proportional to 76,845.48, 115,240.50 and 32,475.66 is: 48,701.78
Step by Step Solution
- Step 1: Write the proportion equation
76,845.48 : 115,240.50 = 32,475.66 : x - Step 2: Convert to fraction form
76,845.48/115,240.50 = 32,475.66/x - Step 3: Cross multiply
76,845.48x = 115,240.50 × 32,475.66 - Step 4: Simplify right side
76,845.48x = 3,742,511,296.23 - Step 5: Solve for x
x = 3,742,511,296.23/76,845.48 - Step 6: Final answer
x = 48,701.78
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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.