Finding the Fourth Proportional to 75,348.22, 103,989.75 and 43,517.08
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Solution
The fourth proportional to 75,348.22, 103,989.75 and 43,517.08 is: 60,058.89
Step by Step Solution
- Step 1: Write the proportion equation
75,348.22 : 103,989.75 = 43,517.08 : x - Step 2: Convert to fraction form
75,348.22/103,989.75 = 43,517.08/x - Step 3: Cross multiply
75,348.22x = 103,989.75 × 43,517.08 - Step 4: Simplify right side
75,348.22x = 4,525,330,269.93 - Step 5: Solve for x
x = 4,525,330,269.93/75,348.22 - Step 6: Final answer
x = 60,058.89
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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.