Finding the Fourth Proportional to 88,723.74, 122,433.24 and 48,429.26
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Solution
The fourth proportional to 88,723.74, 122,433.24 and 48,429.26 is: 66,829.37
Step by Step Solution
- Step 1: Write the proportion equation
88,723.74 : 122,433.24 = 48,429.26 : x - Step 2: Convert to fraction form
88,723.74/122,433.24 = 48,429.26/x - Step 3: Cross multiply
88,723.74x = 122,433.24 × 48,429.26 - Step 4: Simplify right side
88,723.74x = 5,929,351,212.60 - Step 5: Solve for x
x = 5,929,351,212.60/88,723.74 - Step 6: Final answer
x = 66,829.37
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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.