Finding the Fourth Proportional to 88,639.06, 122,324.21 and 48,353.50
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Solution
The fourth proportional to 88,639.06, 122,324.21 and 48,353.50 is: 66,729.09
Step by Step Solution
- Step 1: Write the proportion equation
88,639.06 : 122,324.21 = 48,353.50 : x - Step 2: Convert to fraction form
88,639.06/122,324.21 = 48,353.50/x - Step 3: Cross multiply
88,639.06x = 122,324.21 × 48,353.50 - Step 4: Simplify right side
88,639.06x = 5,914,803,688.24 - Step 5: Solve for x
x = 5,914,803,688.24/88,639.06 - Step 6: Final answer
x = 66,729.09
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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.