Finding the Fourth Proportional to 111,529.08, 153,910.08 and 63,781.92
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Solution
The fourth proportional to 111,529.08, 153,910.08 and 63,781.92 is: 88,019.02
Step by Step Solution
- Step 1: Write the proportion equation
111,529.08 : 153,910.08 = 63,781.92 : x - Step 2: Convert to fraction form
111,529.08/153,910.08 = 63,781.92/x - Step 3: Cross multiply
111,529.08x = 153,910.08 × 63,781.92 - Step 4: Simplify right side
111,529.08x = 9,816,680,409.75 - Step 5: Solve for x
x = 9,816,680,409.75/111,529.08 - Step 6: Final answer
x = 88,019.02
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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.