Finding the Fourth Proportional to 79,641.68, 119,462.52 and 32,843.12
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Solution
The fourth proportional to 79,641.68, 119,462.52 and 32,843.12 is: 49,264.68
Step by Step Solution
- Step 1: Write the proportion equation
79,641.68 : 119,462.52 = 32,843.12 : x - Step 2: Convert to fraction form
79,641.68/119,462.52 = 32,843.12/x - Step 3: Cross multiply
79,641.68x = 119,462.52 × 32,843.12 - Step 4: Simplify right side
79,641.68x = 3,923,521,879.86 - Step 5: Solve for x
x = 3,923,521,879.86/79,641.68 - Step 6: Final answer
x = 49,264.68
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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.