Finding the Fourth Proportional to 88,740.63, 122,467.05 and 48,458.14
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Solution
The fourth proportional to 88,740.63, 122,467.05 and 48,458.14 is: 66,874.95
Step by Step Solution
- Step 1: Write the proportion equation
88,740.63 : 122,467.05 = 48,458.14 : x - Step 2: Convert to fraction form
88,740.63/122,467.05 = 48,458.14/x - Step 3: Cross multiply
88,740.63x = 122,467.05 × 48,458.14 - Step 4: Simplify right side
88,740.63x = 5,934,525,148.12 - Step 5: Solve for x
x = 5,934,525,148.12/88,740.63 - Step 6: Final answer
x = 66,874.95
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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.