Finding the Fourth Proportional to 79,515.18, 119,287.35 and 32,742.54
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Solution
The fourth proportional to 79,515.18, 119,287.35 and 32,742.54 is: 49,119.81
Step by Step Solution
- Step 1: Write the proportion equation
79,515.18 : 119,287.35 = 32,742.54 : x - Step 2: Convert to fraction form
79,515.18/119,287.35 = 32,742.54/x - Step 3: Cross multiply
79,515.18x = 119,287.35 × 32,742.54 - Step 4: Simplify right side
79,515.18x = 3,905,770,828.87 - Step 5: Solve for x
x = 3,905,770,828.87/79,515.18 - Step 6: Final answer
x = 49,119.81
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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.