Finding the Fourth Proportional to 88,249.98, 121,785.77 and 47,963.84
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Solution
The fourth proportional to 88,249.98, 121,785.77 and 47,963.84 is: 66,190.53
Step by Step Solution
- Step 1: Write the proportion equation
88,249.98 : 121,785.77 = 47,963.84 : x - Step 2: Convert to fraction form
88,249.98/121,785.77 = 47,963.84/x - Step 3: Cross multiply
88,249.98x = 121,785.77 × 47,963.84 - Step 4: Simplify right side
88,249.98x = 5,841,313,186.56 - Step 5: Solve for x
x = 5,841,313,186.56/88,249.98 - Step 6: Final answer
x = 66,190.53
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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.