Finding the Fourth Proportional to 107,629.26, 161,442.27 and 48,423.12
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Solution
The fourth proportional to 107,629.26, 161,442.27 and 48,423.12 is: 72,633.95
Step by Step Solution
- Step 1: Write the proportion equation
107,629.26 : 161,442.27 = 48,423.12 : x - Step 2: Convert to fraction form
107,629.26/161,442.27 = 48,423.12/x - Step 3: Cross multiply
107,629.26x = 161,442.27 × 48,423.12 - Step 4: Simplify right side
107,629.26x = 7,817,538,413.28 - Step 5: Solve for x
x = 7,817,538,413.28/107,629.26 - Step 6: Final answer
x = 72,633.95
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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.