Finding the Fourth Proportional to 88,343.19, 121,873.38 and 52,512.84
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Solution
The fourth proportional to 88,343.19, 121,873.38 and 52,512.84 is: 72,443.81
Step by Step Solution
- Step 1: Write the proportion equation
88,343.19 : 121,873.38 = 52,512.84 : x - Step 2: Convert to fraction form
88,343.19/121,873.38 = 52,512.84/x - Step 3: Cross multiply
88,343.19x = 121,873.38 × 52,512.84 - Step 4: Simplify right side
88,343.19x = 6,399,917,304.20 - Step 5: Solve for x
x = 6,399,917,304.20/88,343.19 - Step 6: Final answer
x = 72,443.81
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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.