Finding the Fourth Proportional to 71,995.98, 108,014.70 and 22,083.41
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Solution
The fourth proportional to 71,995.98, 108,014.70 and 22,083.41 is: 33,131.47
Step by Step Solution
- Step 1: Write the proportion equation
71,995.98 : 108,014.70 = 22,083.41 : x - Step 2: Convert to fraction form
71,995.98/108,014.70 = 22,083.41/x - Step 3: Cross multiply
71,995.98x = 108,014.70 × 22,083.41 - Step 4: Simplify right side
71,995.98x = 2,385,332,366.05 - Step 5: Solve for x
x = 2,385,332,366.05/71,995.98 - Step 6: Final answer
x = 33,131.47
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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.