Finding the Fourth Proportional to 87,101.19, 120,195.36 and 48,855.96
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Solution
The fourth proportional to 87,101.19, 120,195.36 and 48,855.96 is: 67,418.82
Step by Step Solution
- Step 1: Write the proportion equation
87,101.19 : 120,195.36 = 48,855.96 : x - Step 2: Convert to fraction form
87,101.19/120,195.36 = 48,855.96/x - Step 3: Cross multiply
87,101.19x = 120,195.36 × 48,855.96 - Step 4: Simplify right side
87,101.19x = 5,872,259,700.35 - Step 5: Solve for x
x = 5,872,259,700.35/87,101.19 - Step 6: Final answer
x = 67,418.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.