Finding the Fourth Proportional to 87,732.44, 131,567.58 and 28,557.08
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Solution
The fourth proportional to 87,732.44, 131,567.58 and 28,557.08 is: 42,825.50
Step by Step Solution
- Step 1: Write the proportion equation
87,732.44 : 131,567.58 = 28,557.08 : x - Step 2: Convert to fraction form
87,732.44/131,567.58 = 28,557.08/x - Step 3: Cross multiply
87,732.44x = 131,567.58 × 28,557.08 - Step 4: Simplify right side
87,732.44x = 3,757,185,907.47 - Step 5: Solve for x
x = 3,757,185,907.47/87,732.44 - Step 6: Final answer
x = 42,825.50
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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.