Finding the Fourth Proportional to 84,651.99, 126,866.58 and 47,229.68
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Solution
The fourth proportional to 84,651.99, 126,866.58 and 47,229.68 is: 70,782.36
Step by Step Solution
- Step 1: Write the proportion equation
84,651.99 : 126,866.58 = 47,229.68 : x - Step 2: Convert to fraction form
84,651.99/126,866.58 = 47,229.68/x - Step 3: Cross multiply
84,651.99x = 126,866.58 × 47,229.68 - Step 4: Simplify right side
84,651.99x = 5,991,867,976.09 - Step 5: Solve for x
x = 5,991,867,976.09/84,651.99 - Step 6: Final answer
x = 70,782.36
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.