Finding the Fourth Proportional to 84,512.32, 126,581.61 and 57,794.99
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Solution
The fourth proportional to 84,512.32, 126,581.61 and 57,794.99 is: 86,564.70
Step by Step Solution
- Step 1: Write the proportion equation
84,512.32 : 126,581.61 = 57,794.99 : x - Step 2: Convert to fraction form
84,512.32/126,581.61 = 57,794.99/x - Step 3: Cross multiply
84,512.32x = 126,581.61 × 57,794.99 - Step 4: Simplify right side
84,512.32x = 7,315,783,200.59 - Step 5: Solve for x
x = 7,315,783,200.59/84,512.32 - Step 6: Final answer
x = 86,564.70
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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.