Finding the Fourth Proportional to 88,455.42, 122,067.63 and 48,169.08
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Solution
The fourth proportional to 88,455.42, 122,067.63 and 48,169.08 is: 66,472.87
Step by Step Solution
- Step 1: Write the proportion equation
88,455.42 : 122,067.63 = 48,169.08 : x - Step 2: Convert to fraction form
88,455.42/122,067.63 = 48,169.08/x - Step 3: Cross multiply
88,455.42x = 122,067.63 × 48,169.08 - Step 4: Simplify right side
88,455.42x = 5,879,885,434.88 - Step 5: Solve for x
x = 5,879,885,434.88/88,455.42 - Step 6: Final answer
x = 66,472.87
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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.