Finding the Fourth Proportional to 126,571.66, 174,672.42 and 69,985.06
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Solution
The fourth proportional to 126,571.66, 174,672.42 and 69,985.06 is: 96,581.33
Step by Step Solution
- Step 1: Write the proportion equation
126,571.66 : 174,672.42 = 69,985.06 : x - Step 2: Convert to fraction form
126,571.66/174,672.42 = 69,985.06/x - Step 3: Cross multiply
126,571.66x = 174,672.42 × 69,985.06 - Step 4: Simplify right side
126,571.66x = 12,224,459,794.05 - Step 5: Solve for x
x = 12,224,459,794.05/126,571.66 - Step 6: Final answer
x = 96,581.33
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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.