Finding the Fourth Proportional to 79,623.47, 119,453.66 and 27,032.95
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Solution
The fourth proportional to 79,623.47, 119,453.66 and 27,032.95 is: 40,555.69
Step by Step Solution
- Step 1: Write the proportion equation
79,623.47 : 119,453.66 = 27,032.95 : x - Step 2: Convert to fraction form
79,623.47/119,453.66 = 27,032.95/x - Step 3: Cross multiply
79,623.47x = 119,453.66 × 27,032.95 - Step 4: Simplify right side
79,623.47x = 3,229,184,818.10 - Step 5: Solve for x
x = 3,229,184,818.10/79,623.47 - Step 6: Final answer
x = 40,555.69
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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.