Finding the Fourth Proportional to 77,249.44, 106,613.28 and 47,052.48
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Solution
The fourth proportional to 77,249.44, 106,613.28 and 47,052.48 is: 64,937.94
Step by Step Solution
- Step 1: Write the proportion equation
77,249.44 : 106,613.28 = 47,052.48 : x - Step 2: Convert to fraction form
77,249.44/106,613.28 = 47,052.48/x - Step 3: Cross multiply
77,249.44x = 106,613.28 × 47,052.48 - Step 4: Simplify right side
77,249.44x = 5,016,419,224.93 - Step 5: Solve for x
x = 5,016,419,224.93/77,249.44 - Step 6: Final answer
x = 64,937.94
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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.