Finding the Fourth Proportional to 75,957.30, 104,820.48 and 41,968.08
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Solution
The fourth proportional to 75,957.30, 104,820.48 and 41,968.08 is: 57,915.62
Step by Step Solution
- Step 1: Write the proportion equation
75,957.30 : 104,820.48 = 41,968.08 : x - Step 2: Convert to fraction form
75,957.30/104,820.48 = 41,968.08/x - Step 3: Cross multiply
75,957.30x = 104,820.48 × 41,968.08 - Step 4: Simplify right side
75,957.30x = 4,399,114,290.28 - Step 5: Solve for x
x = 4,399,114,290.28/75,957.30 - Step 6: Final answer
x = 57,915.62
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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.