Finding the Fourth Proportional to 84,864.84, 127,236.64 and 39,861.08
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Solution
The fourth proportional to 84,864.84, 127,236.64 and 39,861.08 is: 59,763.15
Step by Step Solution
- Step 1: Write the proportion equation
84,864.84 : 127,236.64 = 39,861.08 : x - Step 2: Convert to fraction form
84,864.84/127,236.64 = 39,861.08/x - Step 3: Cross multiply
84,864.84x = 127,236.64 × 39,861.08 - Step 4: Simplify right side
84,864.84x = 5,071,789,885.97 - Step 5: Solve for x
x = 5,071,789,885.97/84,864.84 - Step 6: Final answer
x = 59,763.15
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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.