Finding the Fourth Proportional to 81,162.63, 121,750.05 and 24,232.03
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Solution
The fourth proportional to 81,162.63, 121,750.05 and 24,232.03 is: 36,349.87
Step by Step Solution
- Step 1: Write the proportion equation
81,162.63 : 121,750.05 = 24,232.03 : x - Step 2: Convert to fraction form
81,162.63/121,750.05 = 24,232.03/x - Step 3: Cross multiply
81,162.63x = 121,750.05 × 24,232.03 - Step 4: Simplify right side
81,162.63x = 2,950,251,335.44 - Step 5: Solve for x
x = 2,950,251,335.44/81,162.63 - Step 6: Final answer
x = 36,349.87
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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.