Finding the Fourth Proportional to 87,067.42, 120,174.47 and 53,094.66
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Solution
The fourth proportional to 87,067.42, 120,174.47 and 53,094.66 is: 73,283.70
Step by Step Solution
- Step 1: Write the proportion equation
87,067.42 : 120,174.47 = 53,094.66 : x - Step 2: Convert to fraction form
87,067.42/120,174.47 = 53,094.66/x - Step 3: Cross multiply
87,067.42x = 120,174.47 × 53,094.66 - Step 4: Simplify right side
87,067.42x = 6,380,622,108.31 - Step 5: Solve for x
x = 6,380,622,108.31/87,067.42 - Step 6: Final answer
x = 73,283.70
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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.