Finding the Fourth Proportional to 75,181.91, 112,737.56 and 43,600.95
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Solution
The fourth proportional to 75,181.91, 112,737.56 and 43,600.95 is: 65,380.95
Step by Step Solution
- Step 1: Write the proportion equation
75,181.91 : 112,737.56 = 43,600.95 : x - Step 2: Convert to fraction form
75,181.91/112,737.56 = 43,600.95/x - Step 3: Cross multiply
75,181.91x = 112,737.56 × 43,600.95 - Step 4: Simplify right side
75,181.91x = 4,915,464,498.68 - Step 5: Solve for x
x = 4,915,464,498.68/75,181.91 - Step 6: Final answer
x = 65,380.95
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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.