Finding the Fourth Proportional to 84,833.48, 117,079.50 and 48,538.28
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Solution
The fourth proportional to 84,833.48, 117,079.50 and 48,538.28 is: 66,988.15
Step by Step Solution
- Step 1: Write the proportion equation
84,833.48 : 117,079.50 = 48,538.28 : x - Step 2: Convert to fraction form
84,833.48/117,079.50 = 48,538.28/x - Step 3: Cross multiply
84,833.48x = 117,079.50 × 48,538.28 - Step 4: Simplify right side
84,833.48x = 5,682,837,553.26 - Step 5: Solve for x
x = 5,682,837,553.26/84,833.48 - Step 6: Final answer
x = 66,988.15
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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.