Finding the Fourth Proportional to 75,079.80, 112,586.49 and 22,479.48
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Solution
The fourth proportional to 75,079.80, 112,586.49 and 22,479.48 is: 33,709.28
Step by Step Solution
- Step 1: Write the proportion equation
75,079.80 : 112,586.49 = 22,479.48 : x - Step 2: Convert to fraction form
75,079.80/112,586.49 = 22,479.48/x - Step 3: Cross multiply
75,079.80x = 112,586.49 × 22,479.48 - Step 4: Simplify right side
75,079.80x = 2,530,885,750.23 - Step 5: Solve for x
x = 2,530,885,750.23/75,079.80 - Step 6: Final answer
x = 33,709.28
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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.