Finding the Fourth Proportional to 79,638.29, 119,456.47 and 32,240.53
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Solution
The fourth proportional to 79,638.29, 119,456.47 and 32,240.53 is: 48,360.41
Step by Step Solution
- Step 1: Write the proportion equation
79,638.29 : 119,456.47 = 32,240.53 : x - Step 2: Convert to fraction form
79,638.29/119,456.47 = 32,240.53/x - Step 3: Cross multiply
79,638.29x = 119,456.47 × 32,240.53 - Step 4: Simplify right side
79,638.29x = 3,851,340,094.35 - Step 5: Solve for x
x = 3,851,340,094.35/79,638.29 - Step 6: Final answer
x = 48,360.41
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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.