Finding the Fourth Proportional to 79,693.64, 119,528.68 and 29,767.48
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Solution
The fourth proportional to 79,693.64, 119,528.68 and 29,767.48 is: 44,646.82
Step by Step Solution
- Step 1: Write the proportion equation
79,693.64 : 119,528.68 = 29,767.48 : x - Step 2: Convert to fraction form
79,693.64/119,528.68 = 29,767.48/x - Step 3: Cross multiply
79,693.64x = 119,528.68 × 29,767.48 - Step 4: Simplify right side
79,693.64x = 3,558,067,591.33 - Step 5: Solve for x
x = 3,558,067,591.33/79,693.64 - Step 6: Final answer
x = 44,646.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.