Finding the Fourth Proportional to 79,074.36, 109,126.89 and 46,827.99
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Solution
The fourth proportional to 79,074.36, 109,126.89 and 46,827.99 is: 64,625.16
Step by Step Solution
- Step 1: Write the proportion equation
79,074.36 : 109,126.89 = 46,827.99 : x - Step 2: Convert to fraction form
79,074.36/109,126.89 = 46,827.99/x - Step 3: Cross multiply
79,074.36x = 109,126.89 × 46,827.99 - Step 4: Simplify right side
79,074.36x = 5,110,192,913.65 - Step 5: Solve for x
x = 5,110,192,913.65/79,074.36 - Step 6: Final answer
x = 64,625.16
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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.