Finding the Fourth Proportional to 88,161.16, 121,660.02 and 47,873.08
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Solution
The fourth proportional to 88,161.16, 121,660.02 and 47,873.08 is: 66,063.56
Step by Step Solution
- Step 1: Write the proportion equation
88,161.16 : 121,660.02 = 47,873.08 : x - Step 2: Convert to fraction form
88,161.16/121,660.02 = 47,873.08/x - Step 3: Cross multiply
88,161.16x = 121,660.02 × 47,873.08 - Step 4: Simplify right side
88,161.16x = 5,824,239,870.26 - Step 5: Solve for x
x = 5,824,239,870.26/88,161.16 - Step 6: Final answer
x = 66,063.56
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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.