Finding the Fourth Proportional to 76,934.40, 115,413.60 and 24,338.88
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Solution
The fourth proportional to 76,934.40, 115,413.60 and 24,338.88 is: 36,512.12
Step by Step Solution
- Step 1: Write the proportion equation
76,934.40 : 115,413.60 = 24,338.88 : x - Step 2: Convert to fraction form
76,934.40/115,413.60 = 24,338.88/x - Step 3: Cross multiply
76,934.40x = 115,413.60 × 24,338.88 - Step 4: Simplify right side
76,934.40x = 2,809,037,760.77 - Step 5: Solve for x
x = 2,809,037,760.77/76,934.40 - Step 6: Final answer
x = 36,512.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.