Finding the Fourth Proportional to 88,557.02, 122,207.91 and 48,270.80
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Solution
The fourth proportional to 88,557.02, 122,207.91 and 48,270.80 is: 66,613.28
Step by Step Solution
- Step 1: Write the proportion equation
88,557.02 : 122,207.91 = 48,270.80 : x - Step 2: Convert to fraction form
88,557.02/122,207.91 = 48,270.80/x - Step 3: Cross multiply
88,557.02x = 122,207.91 × 48,270.80 - Step 4: Simplify right side
88,557.02x = 5,899,073,582.03 - Step 5: Solve for x
x = 5,899,073,582.03/88,557.02 - Step 6: Final answer
x = 66,613.28
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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.