Finding the Fourth Proportional to 79,799.84, 119,703.39 and 29,866.98
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Solution
The fourth proportional to 79,799.84, 119,703.39 and 29,866.98 is: 44,801.83
Step by Step Solution
- Step 1: Write the proportion equation
79,799.84 : 119,703.39 = 29,866.98 : x - Step 2: Convert to fraction form
79,799.84/119,703.39 = 29,866.98/x - Step 3: Cross multiply
79,799.84x = 119,703.39 × 29,866.98 - Step 4: Simplify right side
79,799.84x = 3,575,178,755.06 - Step 5: Solve for x
x = 3,575,178,755.06/79,799.84 - Step 6: Final answer
x = 44,801.83
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1.5x scale
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.