Finding the Fourth Proportional to 71,311.23, 106,848.36 and 50,207.07
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Solution
The fourth proportional to 71,311.23, 106,848.36 and 50,207.07 is: 75,227.18
Step by Step Solution
- Step 1: Write the proportion equation
71,311.23 : 106,848.36 = 50,207.07 : x - Step 2: Convert to fraction form
71,311.23/106,848.36 = 50,207.07/x - Step 3: Cross multiply
71,311.23x = 106,848.36 × 50,207.07 - Step 4: Simplify right side
71,311.23x = 5,364,543,089.91 - Step 5: Solve for x
x = 5,364,543,089.91/71,311.23 - Step 6: Final answer
x = 75,227.18
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1.5x scale
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.