Finding the Fourth Proportional to 80,832.11, 121,248.18 and 24,672.53
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Solution
The fourth proportional to 80,832.11, 121,248.18 and 24,672.53 is: 37,008.81
Step by Step Solution
- Step 1: Write the proportion equation
80,832.11 : 121,248.18 = 24,672.53 : x - Step 2: Convert to fraction form
80,832.11/121,248.18 = 24,672.53/x - Step 3: Cross multiply
80,832.11x = 121,248.18 × 24,672.53 - Step 4: Simplify right side
80,832.11x = 2,991,499,661.62 - Step 5: Solve for x
x = 2,991,499,661.62/80,832.11 - Step 6: Final answer
x = 37,008.81
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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.