Finding the Fourth Proportional to 107,626.26, 161,437.77 and 48,420.12
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Solution
The fourth proportional to 107,626.26, 161,437.77 and 48,420.12 is: 72,629.45
Step by Step Solution
- Step 1: Write the proportion equation
107,626.26 : 161,437.77 = 48,420.12 : x - Step 2: Convert to fraction form
107,626.26/161,437.77 = 48,420.12/x - Step 3: Cross multiply
107,626.26x = 161,437.77 × 48,420.12 - Step 4: Simplify right side
107,626.26x = 7,816,836,195.93 - Step 5: Solve for x
x = 7,816,836,195.93/107,626.26 - Step 6: Final answer
x = 72,629.45
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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.