Finding the Fourth Proportional to 72,106.92, 108,177.66 and 32,653.44
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Solution
The fourth proportional to 72,106.92, 108,177.66 and 32,653.44 is: 48,987.99
Step by Step Solution
- Step 1: Write the proportion equation
72,106.92 : 108,177.66 = 32,653.44 : x - Step 2: Convert to fraction form
72,106.92/108,177.66 = 32,653.44/x - Step 3: Cross multiply
72,106.92x = 108,177.66 × 32,653.44 - Step 4: Simplify right side
72,106.92x = 3,532,372,730.15 - Step 5: Solve for x
x = 3,532,372,730.15/72,106.92 - Step 6: Final answer
x = 48,987.99
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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.