Finding the Fourth Proportional to 80,413.13, 110,967.49 and 48,576.49
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Solution
The fourth proportional to 80,413.13, 110,967.49 and 48,576.49 is: 67,033.97
Step by Step Solution
- Step 1: Write the proportion equation
80,413.13 : 110,967.49 = 48,576.49 : x - Step 2: Convert to fraction form
80,413.13/110,967.49 = 48,576.49/x - Step 3: Cross multiply
80,413.13x = 110,967.49 × 48,576.49 - Step 4: Simplify right side
80,413.13x = 5,390,411,168.31 - Step 5: Solve for x
x = 5,390,411,168.31/80,413.13 - Step 6: Final answer
x = 67,033.97
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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.