Finding the Fourth Proportional to 126,441.97, 174,493.44 and 69,856.99
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Solution
The fourth proportional to 126,441.97, 174,493.44 and 69,856.99 is: 96,404.59
Step by Step Solution
- Step 1: Write the proportion equation
126,441.97 : 174,493.44 = 69,856.99 : x - Step 2: Convert to fraction form
126,441.97/174,493.44 = 69,856.99/x - Step 3: Cross multiply
126,441.97x = 174,493.44 × 69,856.99 - Step 4: Simplify right side
126,441.97x = 12,189,585,620.68 - Step 5: Solve for x
x = 12,189,585,620.68/126,441.97 - Step 6: Final answer
x = 96,404.59
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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.