Finding the Fourth Proportional to 77,964.63, 116,954.23 and 25,359.99
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Solution
The fourth proportional to 77,964.63, 116,954.23 and 25,359.99 is: 38,042.35
Step by Step Solution
- Step 1: Write the proportion equation
77,964.63 : 116,954.23 = 25,359.99 : x - Step 2: Convert to fraction form
77,964.63/116,954.23 = 25,359.99/x - Step 3: Cross multiply
77,964.63x = 116,954.23 × 25,359.99 - Step 4: Simplify right side
77,964.63x = 2,965,958,103.26 - Step 5: Solve for x
x = 2,965,958,103.26/77,964.63 - Step 6: Final answer
x = 38,042.35
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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.