Finding the Fourth Proportional to 88,999.65, 122,819.21 and 48,163.70
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Solution
The fourth proportional to 88,999.65, 122,819.21 and 48,163.70 is: 66,465.74
Step by Step Solution
- Step 1: Write the proportion equation
88,999.65 : 122,819.21 = 48,163.70 : x - Step 2: Convert to fraction form
88,999.65/122,819.21 = 48,163.70/x - Step 3: Cross multiply
88,999.65x = 122,819.21 × 48,163.70 - Step 4: Simplify right side
88,999.65x = 5,915,427,584.68 - Step 5: Solve for x
x = 5,915,427,584.68/88,999.65 - Step 6: Final answer
x = 66,465.74
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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.