Finding the Fourth Proportional to 88,239.25, 121,770.17 and 48,495.25
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Solution
The fourth proportional to 88,239.25, 121,770.17 and 48,495.25 is: 66,923.45
Step by Step Solution
- Step 1: Write the proportion equation
88,239.25 : 121,770.17 = 48,495.25 : x - Step 2: Convert to fraction form
88,239.25/121,770.17 = 48,495.25/x - Step 3: Cross multiply
88,239.25x = 121,770.17 × 48,495.25 - Step 4: Simplify right side
88,239.25x = 5,905,274,836.69 - Step 5: Solve for x
x = 5,905,274,836.69/88,239.25 - Step 6: Final answer
x = 66,923.45
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1.5x scale
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.