Finding the Fourth Proportional to 79,249.93, 109,376.11 and 49,044.99
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Solution
The fourth proportional to 79,249.93, 109,376.11 and 49,044.99 is: 67,689.02
Step by Step Solution
- Step 1: Write the proportion equation
79,249.93 : 109,376.11 = 49,044.99 : x - Step 2: Convert to fraction form
79,249.93/109,376.11 = 49,044.99/x - Step 3: Cross multiply
79,249.93x = 109,376.11 × 49,044.99 - Step 4: Simplify right side
79,249.93x = 5,364,350,221.19 - Step 5: Solve for x
x = 5,364,350,221.19/79,249.93 - Step 6: Final answer
x = 67,689.02
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1.5x scale
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.