Finding the Fourth Proportional to 88,377.76, 121,961.33 and 48,091.68
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Solution
The fourth proportional to 88,377.76, 121,961.33 and 48,091.68 is: 66,366.53
Step by Step Solution
- Step 1: Write the proportion equation
88,377.76 : 121,961.33 = 48,091.68 : x - Step 2: Convert to fraction form
88,377.76/121,961.33 = 48,091.68/x - Step 3: Cross multiply
88,377.76x = 121,961.33 × 48,091.68 - Step 4: Simplify right side
88,377.76x = 5,865,325,254.73 - Step 5: Solve for x
x = 5,865,325,254.73/88,377.76 - Step 6: Final answer
x = 66,366.53
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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.