Finding the Fourth Proportional to 88,114.43, 121,600.07 and 47,828.09
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Solution
The fourth proportional to 88,114.43, 121,600.07 and 47,828.09 is: 66,003.93
Step by Step Solution
- Step 1: Write the proportion equation
88,114.43 : 121,600.07 = 47,828.09 : x - Step 2: Convert to fraction form
88,114.43/121,600.07 = 47,828.09/x - Step 3: Cross multiply
88,114.43x = 121,600.07 × 47,828.09 - Step 4: Simplify right side
88,114.43x = 5,815,899,091.97 - Step 5: Solve for x
x = 5,815,899,091.97/88,114.43 - Step 6: Final answer
x = 66,003.93
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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.