Finding the Fourth Proportional to 88,740.69, 122,467.11 and 48,458.20
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Solution
The fourth proportional to 88,740.69, 122,467.11 and 48,458.20 is: 66,875.02
Step by Step Solution
- Step 1: Write the proportion equation
88,740.69 : 122,467.11 = 48,458.20 : x - Step 2: Convert to fraction form
88,740.69/122,467.11 = 48,458.20/x - Step 3: Cross multiply
88,740.69x = 122,467.11 × 48,458.20 - Step 4: Simplify right side
88,740.69x = 5,934,535,709.80 - Step 5: Solve for x
x = 5,934,535,709.80/88,740.69 - Step 6: Final answer
x = 66,875.02
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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.