Finding the Fourth Proportional to 82,864.56, 114,349.40 and 48,412.49
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Solution
The fourth proportional to 82,864.56, 114,349.40 and 48,412.49 is: 66,807.07
Step by Step Solution
- Step 1: Write the proportion equation
82,864.56 : 114,349.40 = 48,412.49 : x - Step 2: Convert to fraction form
82,864.56/114,349.40 = 48,412.49/x - Step 3: Cross multiply
82,864.56x = 114,349.40 × 48,412.49 - Step 4: Simplify right side
82,864.56x = 5,535,938,721.94 - Step 5: Solve for x
x = 5,535,938,721.94/82,864.56 - Step 6: Final answer
x = 66,807.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.