Finding the Fourth Proportional to 80,635.93, 120,955.56 and 29,342.84
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Solution
The fourth proportional to 80,635.93, 120,955.56 and 29,342.84 is: 44,014.86
Step by Step Solution
- Step 1: Write the proportion equation
80,635.93 : 120,955.56 = 29,342.84 : x - Step 2: Convert to fraction form
80,635.93/120,955.56 = 29,342.84/x - Step 3: Cross multiply
80,635.93x = 120,955.56 × 29,342.84 - Step 4: Simplify right side
80,635.93x = 3,549,179,434.62 - Step 5: Solve for x
x = 3,549,179,434.62/80,635.93 - Step 6: Final answer
x = 44,014.86
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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.