Finding the Fourth Proportional to 86,791.83, 119,767.06 and 48,544.75
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Solution
The fourth proportional to 86,791.83, 119,767.06 and 48,544.75 is: 66,988.59
Step by Step Solution
- Step 1: Write the proportion equation
86,791.83 : 119,767.06 = 48,544.75 : x - Step 2: Convert to fraction form
86,791.83/119,767.06 = 48,544.75/x - Step 3: Cross multiply
86,791.83x = 119,767.06 × 48,544.75 - Step 4: Simplify right side
86,791.83x = 5,814,061,985.94 - Step 5: Solve for x
x = 5,814,061,985.94/86,791.83 - Step 6: Final answer
x = 66,988.59
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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.