Finding the Fourth Proportional to 81,014.40, 121,525.26 and 24,850.44
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Solution
The fourth proportional to 81,014.40, 121,525.26 and 24,850.44 is: 37,276.78
Step by Step Solution
- Step 1: Write the proportion equation
81,014.40 : 121,525.26 = 24,850.44 : x - Step 2: Convert to fraction form
81,014.40/121,525.26 = 24,850.44/x - Step 3: Cross multiply
81,014.40x = 121,525.26 × 24,850.44 - Step 4: Simplify right side
81,014.40x = 3,019,956,182.11 - Step 5: Solve for x
x = 3,019,956,182.11/81,014.40 - Step 6: Final answer
x = 37,276.78
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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.