Finding the Fourth Proportional to 88,170.14, 121,674.76 and 47,883.92
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Solution
The fourth proportional to 88,170.14, 121,674.76 and 47,883.92 is: 66,079.79
Step by Step Solution
- Step 1: Write the proportion equation
88,170.14 : 121,674.76 = 47,883.92 : x - Step 2: Convert to fraction form
88,170.14/121,674.76 = 47,883.92/x - Step 3: Cross multiply
88,170.14x = 121,674.76 × 47,883.92 - Step 4: Simplify right side
88,170.14x = 5,826,264,473.86 - Step 5: Solve for x
x = 5,826,264,473.86/88,170.14 - Step 6: Final answer
x = 66,079.79
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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.