Finding the Fourth Proportional to 88,366.64, 121,946.48 and 48,080.68
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Solution
The fourth proportional to 88,366.64, 121,946.48 and 48,080.68 is: 66,351.62
Step by Step Solution
- Step 1: Write the proportion equation
88,366.64 : 121,946.48 = 48,080.68 : x - Step 2: Convert to fraction form
88,366.64/121,946.48 = 48,080.68/x - Step 3: Cross multiply
88,366.64x = 121,946.48 × 48,080.68 - Step 4: Simplify right side
88,366.64x = 5,863,269,497.34 - Step 5: Solve for x
x = 5,863,269,497.34/88,366.64 - Step 6: Final answer
x = 66,351.62
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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.