Finding the Fourth Proportional to 88,096.44, 121,573.49 and 47,810.19
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Solution
The fourth proportional to 88,096.44, 121,573.49 and 47,810.19 is: 65,978.28
Step by Step Solution
- Step 1: Write the proportion equation
88,096.44 : 121,573.49 = 47,810.19 : x - Step 2: Convert to fraction form
88,096.44/121,573.49 = 47,810.19/x - Step 3: Cross multiply
88,096.44x = 121,573.49 × 47,810.19 - Step 4: Simplify right side
88,096.44x = 5,812,451,416.81 - Step 5: Solve for x
x = 5,812,451,416.81/88,096.44 - Step 6: Final answer
x = 65,978.28
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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.