Finding the Fourth Proportional to 79,486.07, 119,229.14 and 29,559.65
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Solution
The fourth proportional to 79,486.07, 119,229.14 and 29,559.65 is: 44,339.49
Step by Step Solution
- Step 1: Write the proportion equation
79,486.07 : 119,229.14 = 29,559.65 : x - Step 2: Convert to fraction form
79,486.07/119,229.14 = 29,559.65/x - Step 3: Cross multiply
79,486.07x = 119,229.14 × 29,559.65 - Step 4: Simplify right side
79,486.07x = 3,524,371,798.48 - Step 5: Solve for x
x = 3,524,371,798.48/79,486.07 - Step 6: Final answer
x = 44,339.49
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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.