Finding the Fourth Proportional to 73,825.88, 110,685.36 and 28,809.08
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Solution
The fourth proportional to 73,825.88, 110,685.36 and 28,809.08 is: 43,192.76
Step by Step Solution
- Step 1: Write the proportion equation
73,825.88 : 110,685.36 = 28,809.08 : x - Step 2: Convert to fraction form
73,825.88/110,685.36 = 28,809.08/x - Step 3: Cross multiply
73,825.88x = 110,685.36 × 28,809.08 - Step 4: Simplify right side
73,825.88x = 3,188,743,391.07 - Step 5: Solve for x
x = 3,188,743,391.07/73,825.88 - Step 6: Final answer
x = 43,192.76
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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.