Finding the Fourth Proportional to 88,452.36, 122,044.50 and 74,169.96
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Solution
The fourth proportional to 88,452.36, 122,044.50 and 74,169.96 is: 102,337.98
Step by Step Solution
- Step 1: Write the proportion equation
88,452.36 : 122,044.50 = 74,169.96 : x - Step 2: Convert to fraction form
88,452.36/122,044.50 = 74,169.96/x - Step 3: Cross multiply
88,452.36x = 122,044.50 × 74,169.96 - Step 4: Simplify right side
88,452.36x = 9,052,035,683.22 - Step 5: Solve for x
x = 9,052,035,683.22/88,452.36 - Step 6: Final answer
x = 102,337.98
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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.