Finding the Fourth Proportional to 88,124.19, 121,609.43 and 49,882.97
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Solution
The fourth proportional to 88,124.19, 121,609.43 and 49,882.97 is: 68,837.39
Step by Step Solution
- Step 1: Write the proportion equation
88,124.19 : 121,609.43 = 49,882.97 : x - Step 2: Convert to fraction form
88,124.19/121,609.43 = 49,882.97/x - Step 3: Cross multiply
88,124.19x = 121,609.43 × 49,882.97 - Step 4: Simplify right side
88,124.19x = 6,066,239,548.41 - Step 5: Solve for x
x = 6,066,239,548.41/88,124.19 - Step 6: Final answer
x = 68,837.39
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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.