Finding the Fourth Proportional to 84,036.24, 115,968.50 and 45,796.12
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Solution
The fourth proportional to 84,036.24, 115,968.50 and 45,796.12 is: 63,197.82
Step by Step Solution
- Step 1: Write the proportion equation
84,036.24 : 115,968.50 = 45,796.12 : x - Step 2: Convert to fraction form
84,036.24/115,968.50 = 45,796.12/x - Step 3: Cross multiply
84,036.24x = 115,968.50 × 45,796.12 - Step 4: Simplify right side
84,036.24x = 5,310,907,342.22 - Step 5: Solve for x
x = 5,310,907,342.22/84,036.24 - Step 6: Final answer
x = 63,197.82
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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.