Finding the Fourth Proportional to 88,614.53, 122,329.01 and 54,629.09
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Solution
The fourth proportional to 88,614.53, 122,329.01 and 54,629.09 is: 75,413.39
Step by Step Solution
- Step 1: Write the proportion equation
88,614.53 : 122,329.01 = 54,629.09 : x - Step 2: Convert to fraction form
88,614.53/122,329.01 = 54,629.09/x - Step 3: Cross multiply
88,614.53x = 122,329.01 × 54,629.09 - Step 4: Simplify right side
88,614.53x = 6,682,722,223.76 - Step 5: Solve for x
x = 6,682,722,223.76/88,614.53 - Step 6: Final answer
x = 75,413.39
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1.5x scale
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.