Finding the Fourth Proportional to 77,803.14, 116,694.99 and 21,647.46
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Solution
The fourth proportional to 77,803.14, 116,694.99 and 21,647.46 is: 32,468.49
Step by Step Solution
- Step 1: Write the proportion equation
77,803.14 : 116,694.99 = 21,647.46 : x - Step 2: Convert to fraction form
77,803.14/116,694.99 = 21,647.46/x - Step 3: Cross multiply
77,803.14x = 116,694.99 × 21,647.46 - Step 4: Simplify right side
77,803.14x = 2,526,150,128.23 - Step 5: Solve for x
x = 2,526,150,128.23/77,803.14 - Step 6: Final answer
x = 32,468.49
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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.