Finding the Fourth Proportional to 86,007.84, 129,060.90 and 33,410.49
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Solution
The fourth proportional to 86,007.84, 129,060.90 and 33,410.49 is: 50,134.82
Step by Step Solution
- Step 1: Write the proportion equation
86,007.84 : 129,060.90 = 33,410.49 : x - Step 2: Convert to fraction form
86,007.84/129,060.90 = 33,410.49/x - Step 3: Cross multiply
86,007.84x = 129,060.90 × 33,410.49 - Step 4: Simplify right side
86,007.84x = 4,311,987,908.84 - Step 5: Solve for x
x = 4,311,987,908.84/86,007.84 - Step 6: Final answer
x = 50,134.82
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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.