Finding the Fourth Proportional to 117,466.99, 162,104.38 and 66,478.79
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Solution
The fourth proportional to 117,466.99, 162,104.38 and 66,478.79 is: 91,740.69
Step by Step Solution
- Step 1: Write the proportion equation
117,466.99 : 162,104.38 = 66,478.79 : x - Step 2: Convert to fraction form
117,466.99/162,104.38 = 66,478.79/x - Step 3: Cross multiply
117,466.99x = 162,104.38 × 66,478.79 - Step 4: Simplify right side
117,466.99x = 10,776,503,036.10 - Step 5: Solve for x
x = 10,776,503,036.10/117,466.99 - Step 6: Final answer
x = 91,740.69
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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.