Finding the Fourth Proportional to 90,052.84, 135,069.18 and 34,609.96
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Solution
The fourth proportional to 90,052.84, 135,069.18 and 34,609.96 is: 51,911.07
Step by Step Solution
- Step 1: Write the proportion equation
90,052.84 : 135,069.18 = 34,609.96 : x - Step 2: Convert to fraction form
90,052.84/135,069.18 = 34,609.96/x - Step 3: Cross multiply
90,052.84x = 135,069.18 × 34,609.96 - Step 4: Simplify right side
90,052.84x = 4,674,738,917.03 - Step 5: Solve for x
x = 4,674,738,917.03/90,052.84 - Step 6: Final answer
x = 51,911.07
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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.