Finding the Fourth Proportional to 80,413.14, 110,967.50 and 48,576.48
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Solution
The fourth proportional to 80,413.14, 110,967.50 and 48,576.48 is: 67,033.95
Step by Step Solution
- Step 1: Write the proportion equation
80,413.14 : 110,967.50 = 48,576.48 : x - Step 2: Convert to fraction form
80,413.14/110,967.50 = 48,576.48/x - Step 3: Cross multiply
80,413.14x = 110,967.50 × 48,576.48 - Step 4: Simplify right side
80,413.14x = 5,390,410,544.40 - Step 5: Solve for x
x = 5,390,410,544.40/80,413.14 - Step 6: Final answer
x = 67,033.95
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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.