Finding the Fourth Proportional to 75,192.48, 103,718.70 and 48,369.96
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Solution
The fourth proportional to 75,192.48, 103,718.70 and 48,369.96 is: 66,720.36
Step by Step Solution
- Step 1: Write the proportion equation
75,192.48 : 103,718.70 = 48,369.96 : x - Step 2: Convert to fraction form
75,192.48/103,718.70 = 48,369.96/x - Step 3: Cross multiply
75,192.48x = 103,718.70 × 48,369.96 - Step 4: Simplify right side
75,192.48x = 5,016,869,370.25 - Step 5: Solve for x
x = 5,016,869,370.25/75,192.48 - Step 6: Final answer
x = 66,720.36
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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.