Finding the Fourth Proportional to 75,085.62, 103,616.73 and 41,551.62
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Solution
The fourth proportional to 75,085.62, 103,616.73 and 41,551.62 is: 57,340.45
Step by Step Solution
- Step 1: Write the proportion equation
75,085.62 : 103,616.73 = 41,551.62 : x - Step 2: Convert to fraction form
75,085.62/103,616.73 = 41,551.62/x - Step 3: Cross multiply
75,085.62x = 103,616.73 × 41,551.62 - Step 4: Simplify right side
75,085.62x = 4,305,442,990.60 - Step 5: Solve for x
x = 4,305,442,990.60/75,085.62 - Step 6: Final answer
x = 57,340.45
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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.