Finding the Fourth Proportional to 111,269.92, 153,503.76 and 66,532
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Solution
The fourth proportional to 111,269.92, 153,503.76 and 66,532 is: 91,785.02
Step by Step Solution
- Step 1: Write the proportion equation
111,269.92 : 153,503.76 = 66,532 : x - Step 2: Convert to fraction form
111,269.92/153,503.76 = 66,532/x - Step 3: Cross multiply
111,269.92x = 153,503.76 × 66,532 - Step 4: Simplify right side
111,269.92x = 10,212,912,160.32 - Step 5: Solve for x
x = 10,212,912,160.32/111,269.92 - Step 6: Final answer
x = 91,785.02
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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.