Finding the Fourth Proportional to 81,413.76, 122,106.54 and 24,486.84
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Solution
The fourth proportional to 81,413.76, 122,106.54 and 24,486.84 is: 36,726.02
Step by Step Solution
- Step 1: Write the proportion equation
81,413.76 : 122,106.54 = 24,486.84 : x - Step 2: Convert to fraction form
81,413.76/122,106.54 = 24,486.84/x - Step 3: Cross multiply
81,413.76x = 122,106.54 × 24,486.84 - Step 4: Simplify right side
81,413.76x = 2,990,003,307.93 - Step 5: Solve for x
x = 2,990,003,307.93/81,413.76 - Step 6: Final answer
x = 36,726.02
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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.