Finding the Fourth Proportional to 71,625.26, 107,437.76 and 19,034.74
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Solution
The fourth proportional to 71,625.26, 107,437.76 and 19,034.74 is: 28,552.08
Step by Step Solution
- Step 1: Write the proportion equation
71,625.26 : 107,437.76 = 19,034.74 : x - Step 2: Convert to fraction form
71,625.26/107,437.76 = 19,034.74/x - Step 3: Cross multiply
71,625.26x = 107,437.76 × 19,034.74 - Step 4: Simplify right side
71,625.26x = 2,045,049,938.29 - Step 5: Solve for x
x = 2,045,049,938.29/71,625.26 - Step 6: Final answer
x = 28,552.08
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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.