Finding the Fourth Proportional to 71,498.88, 107,283.84 and 32,083.84
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Solution
The fourth proportional to 71,498.88, 107,283.84 and 32,083.84 is: 48,141.70
Step by Step Solution
- Step 1: Write the proportion equation
71,498.88 : 107,283.84 = 32,083.84 : x - Step 2: Convert to fraction form
71,498.88/107,283.84 = 32,083.84/x - Step 3: Cross multiply
71,498.88x = 107,283.84 × 32,083.84 - Step 4: Simplify right side
71,498.88x = 3,442,077,557.15 - Step 5: Solve for x
x = 3,442,077,557.15/71,498.88 - Step 6: Final answer
x = 48,141.70
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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.