Finding the Fourth Proportional to 91,481.56, 137,223.36 and 32,275.68
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Solution
The fourth proportional to 91,481.56, 137,223.36 and 32,275.68 is: 48,413.88
Step by Step Solution
- Step 1: Write the proportion equation
91,481.56 : 137,223.36 = 32,275.68 : x - Step 2: Convert to fraction form
91,481.56/137,223.36 = 32,275.68/x - Step 3: Cross multiply
91,481.56x = 137,223.36 × 32,275.68 - Step 4: Simplify right side
91,481.56x = 4,428,977,255.88 - Step 5: Solve for x
x = 4,428,977,255.88/91,481.56 - Step 6: Final answer
x = 48,413.88
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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.