Finding the Fourth Proportional to 71,442.18, 107,163.27 and 24,669.54
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Solution
The fourth proportional to 71,442.18, 107,163.27 and 24,669.54 is: 37,004.31
Step by Step Solution
- Step 1: Write the proportion equation
71,442.18 : 107,163.27 = 24,669.54 : x - Step 2: Convert to fraction form
71,442.18/107,163.27 = 24,669.54/x - Step 3: Cross multiply
71,442.18x = 107,163.27 × 24,669.54 - Step 4: Simplify right side
71,442.18x = 2,643,668,575.80 - Step 5: Solve for x
x = 2,643,668,575.80/71,442.18 - Step 6: Final answer
x = 37,004.31
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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.