Finding the Fourth Proportional to 79,624.44, 119,432.75 and 29,700.70
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Solution
The fourth proportional to 79,624.44, 119,432.75 and 29,700.70 is: 44,549.59
Step by Step Solution
- Step 1: Write the proportion equation
79,624.44 : 119,432.75 = 29,700.70 : x - Step 2: Convert to fraction form
79,624.44/119,432.75 = 29,700.70/x - Step 3: Cross multiply
79,624.44x = 119,432.75 × 29,700.70 - Step 4: Simplify right side
79,624.44x = 3,547,235,830.84 - Step 5: Solve for x
x = 3,547,235,830.84/79,624.44 - Step 6: Final answer
x = 44,549.59
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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.