Finding the Fourth Proportional to 75,099.92, 103,543.80 and 48,194.96
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Solution
The fourth proportional to 75,099.92, 103,543.80 and 48,194.96 is: 66,448.66
Step by Step Solution
- Step 1: Write the proportion equation
75,099.92 : 103,543.80 = 48,194.96 : x - Step 2: Convert to fraction form
75,099.92/103,543.80 = 48,194.96/x - Step 3: Cross multiply
75,099.92x = 103,543.80 × 48,194.96 - Step 4: Simplify right side
75,099.92x = 4,990,289,299.25 - Step 5: Solve for x
x = 4,990,289,299.25/75,099.92 - Step 6: Final answer
x = 66,448.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.