Finding the Fourth Proportional to 81,010.41, 121,519.26 and 24,846.43
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Solution
The fourth proportional to 81,010.41, 121,519.26 and 24,846.43 is: 37,270.76
Step by Step Solution
- Step 1: Write the proportion equation
81,010.41 : 121,519.26 = 24,846.43 : x - Step 2: Convert to fraction form
81,010.41/121,519.26 = 24,846.43/x - Step 3: Cross multiply
81,010.41x = 121,519.26 × 24,846.43 - Step 4: Simplify right side
81,010.41x = 3,019,319,787.24 - Step 5: Solve for x
x = 3,019,319,787.24/81,010.41 - Step 6: Final answer
x = 37,270.76
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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.