Finding the Fourth Proportional to 84,192.09, 126,288.14 and 25,027.67
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Solution
The fourth proportional to 84,192.09, 126,288.14 and 25,027.67 is: 37,541.50
Step by Step Solution
- Step 1: Write the proportion equation
84,192.09 : 126,288.14 = 25,027.67 : x - Step 2: Convert to fraction form
84,192.09/126,288.14 = 25,027.67/x - Step 3: Cross multiply
84,192.09x = 126,288.14 × 25,027.67 - Step 4: Simplify right side
84,192.09x = 3,160,697,136.25 - Step 5: Solve for x
x = 3,160,697,136.25/84,192.09 - Step 6: Final answer
x = 37,541.50
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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.