Finding the Fourth Proportional to 88,193.03, 121,671.96 and 49,943.75
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Solution
The fourth proportional to 88,193.03, 121,671.96 and 49,943.75 is: 68,902.88
Step by Step Solution
- Step 1: Write the proportion equation
88,193.03 : 121,671.96 = 49,943.75 : x - Step 2: Convert to fraction form
88,193.03/121,671.96 = 49,943.75/x - Step 3: Cross multiply
88,193.03x = 121,671.96 × 49,943.75 - Step 4: Simplify right side
88,193.03x = 6,076,753,343.89 - Step 5: Solve for x
x = 6,076,753,343.89/88,193.03 - Step 6: Final answer
x = 68,902.88
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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.