Finding the Fourth Proportional to 88,673.18, 122,369.33 and 48,387.77
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Solution
The fourth proportional to 88,673.18, 122,369.33 and 48,387.77 is: 66,775.30
Step by Step Solution
- Step 1: Write the proportion equation
88,673.18 : 122,369.33 = 48,387.77 : x - Step 2: Convert to fraction form
88,673.18/122,369.33 = 48,387.77/x - Step 3: Cross multiply
88,673.18x = 122,369.33 × 48,387.77 - Step 4: Simplify right side
88,673.18x = 5,921,178,141.31 - Step 5: Solve for x
x = 5,921,178,141.31/88,673.18 - Step 6: Final answer
x = 66,775.30
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1.5x scale
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.