Finding the Fourth Proportional to 88,241.92, 121,824.12 and 58,114.80
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Solution
The fourth proportional to 88,241.92, 121,824.12 and 58,114.80 is: 80,231.53
Step by Step Solution
- Step 1: Write the proportion equation
88,241.92 : 121,824.12 = 58,114.80 : x - Step 2: Convert to fraction form
88,241.92/121,824.12 = 58,114.80/x - Step 3: Cross multiply
88,241.92x = 121,824.12 × 58,114.80 - Step 4: Simplify right side
88,241.92x = 7,079,784,368.98 - Step 5: Solve for x
x = 7,079,784,368.98/88,241.92 - Step 6: Final answer
x = 80,231.53
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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.