Finding the Fourth Proportional to 87,159.04, 130,721.84 and 33,850.96
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Solution
The fourth proportional to 87,159.04, 130,721.84 and 33,850.96 is: 50,769.95
Step by Step Solution
- Step 1: Write the proportion equation
87,159.04 : 130,721.84 = 33,850.96 : x - Step 2: Convert to fraction form
87,159.04/130,721.84 = 33,850.96/x - Step 3: Cross multiply
87,159.04x = 130,721.84 × 33,850.96 - Step 4: Simplify right side
87,159.04x = 4,425,059,776.97 - Step 5: Solve for x
x = 4,425,059,776.97/87,159.04 - Step 6: Final answer
x = 50,769.95
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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.