Finding the Fourth Proportional to 117,069.99, 161,556.57 and 63,354.99
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Solution
The fourth proportional to 117,069.99, 161,556.57 and 63,354.99 is: 87,429.88
Step by Step Solution
- Step 1: Write the proportion equation
117,069.99 : 161,556.57 = 63,354.99 : x - Step 2: Convert to fraction form
117,069.99/161,556.57 = 63,354.99/x - Step 3: Cross multiply
117,069.99x = 161,556.57 × 63,354.99 - Step 4: Simplify right side
117,069.99x = 10,235,414,876.78 - Step 5: Solve for x
x = 10,235,414,876.78/117,069.99 - Step 6: Final answer
x = 87,429.88
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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.