Finding the Fourth Proportional to 88,341.58, 121,910.19 and 48,054.49
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Solution
The fourth proportional to 88,341.58, 121,910.19 and 48,054.49 is: 66,314.55
Step by Step Solution
- Step 1: Write the proportion equation
88,341.58 : 121,910.19 = 48,054.49 : x - Step 2: Convert to fraction form
88,341.58/121,910.19 = 48,054.49/x - Step 3: Cross multiply
88,341.58x = 121,910.19 × 48,054.49 - Step 4: Simplify right side
88,341.58x = 5,858,332,006.25 - Step 5: Solve for x
x = 5,858,332,006.25/88,341.58 - Step 6: Final answer
x = 66,314.55
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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.