Finding the Fourth Proportional to 71,711.08, 107,562.49 and 27,342.32
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Solution
The fourth proportional to 71,711.08, 107,562.49 and 27,342.32 is: 41,011.90
Step by Step Solution
- Step 1: Write the proportion equation
71,711.08 : 107,562.49 = 27,342.32 : x - Step 2: Convert to fraction form
71,711.08/107,562.49 = 27,342.32/x - Step 3: Cross multiply
71,711.08x = 107,562.49 × 27,342.32 - Step 4: Simplify right side
71,711.08x = 2,941,007,415.41 - Step 5: Solve for x
x = 2,941,007,415.41/71,711.08 - Step 6: Final answer
x = 41,011.90
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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.