Finding the Fourth Proportional to 84,252.84, 126,379.26 and 57,877.62
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Solution
The fourth proportional to 84,252.84, 126,379.26 and 57,877.62 is: 86,816.43
Step by Step Solution
- Step 1: Write the proportion equation
84,252.84 : 126,379.26 = 57,877.62 : x - Step 2: Convert to fraction form
84,252.84/126,379.26 = 57,877.62/x - Step 3: Cross multiply
84,252.84x = 126,379.26 × 57,877.62 - Step 4: Simplify right side
84,252.84x = 7,314,530,786.16 - Step 5: Solve for x
x = 7,314,530,786.16/84,252.84 - Step 6: Final answer
x = 86,816.43
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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.