Finding the Fourth Proportional to 75,133.92, 103,690.08 and 41,602.08
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Solution
The fourth proportional to 75,133.92, 103,690.08 and 41,602.08 is: 57,413.79
Step by Step Solution
- Step 1: Write the proportion equation
75,133.92 : 103,690.08 = 41,602.08 : x - Step 2: Convert to fraction form
75,133.92/103,690.08 = 41,602.08/x - Step 3: Cross multiply
75,133.92x = 103,690.08 × 41,602.08 - Step 4: Simplify right side
75,133.92x = 4,313,723,003.37 - Step 5: Solve for x
x = 4,313,723,003.37/75,133.92 - Step 6: Final answer
x = 57,413.79
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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.