Finding the Fourth Proportional to 84,773.19, 127,177.32 and 27,851.42
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Solution
The fourth proportional to 84,773.19, 127,177.32 and 27,851.42 is: 41,782.88
Step by Step Solution
- Step 1: Write the proportion equation
84,773.19 : 127,177.32 = 27,851.42 : x - Step 2: Convert to fraction form
84,773.19/127,177.32 = 27,851.42/x - Step 3: Cross multiply
84,773.19x = 127,177.32 × 27,851.42 - Step 4: Simplify right side
84,773.19x = 3,542,068,317.91 - Step 5: Solve for x
x = 3,542,068,317.91/84,773.19 - Step 6: Final answer
x = 41,782.88
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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.