Finding the Fourth Proportional to 71,321.05, 106,921.37 and 44,967.70
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Solution
The fourth proportional to 71,321.05, 106,921.37 and 44,967.70 is: 67,413.59
Step by Step Solution
- Step 1: Write the proportion equation
71,321.05 : 106,921.37 = 44,967.70 : x - Step 2: Convert to fraction form
71,321.05/106,921.37 = 44,967.70/x - Step 3: Cross multiply
71,321.05x = 106,921.37 × 44,967.70 - Step 4: Simplify right side
71,321.05x = 4,808,007,864.91 - Step 5: Solve for x
x = 4,808,007,864.91/71,321.05 - Step 6: Final answer
x = 67,413.59
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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.