Finding the Fourth Proportional to 126,469.77, 174,528.74 and 69,109.09
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Solution
The fourth proportional to 126,469.77, 174,528.74 and 69,109.09 is: 95,370.79
Step by Step Solution
- Step 1: Write the proportion equation
126,469.77 : 174,528.74 = 69,109.09 : x - Step 2: Convert to fraction form
126,469.77/174,528.74 = 69,109.09/x - Step 3: Cross multiply
126,469.77x = 174,528.74 × 69,109.09 - Step 4: Simplify right side
126,469.77x = 12,061,522,054.70 - Step 5: Solve for x
x = 12,061,522,054.70/126,469.77 - Step 6: Final answer
x = 95,370.79
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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.