Finding the Fourth Proportional to 86,814.51, 119,809.97 and 48,577.69
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Solution
The fourth proportional to 86,814.51, 119,809.97 and 48,577.69 is: 67,040.53
Step by Step Solution
- Step 1: Write the proportion equation
86,814.51 : 119,809.97 = 48,577.69 : x - Step 2: Convert to fraction form
86,814.51/119,809.97 = 48,577.69/x - Step 3: Cross multiply
86,814.51x = 119,809.97 × 48,577.69 - Step 4: Simplify right side
86,814.51x = 5,820,091,039.16 - Step 5: Solve for x
x = 5,820,091,039.16/86,814.51 - Step 6: Final answer
x = 67,040.53
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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.