Finding the Fourth Proportional to 67,991.07, 101,838.65 and 32,856.75
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Solution
The fourth proportional to 67,991.07, 101,838.65 and 32,856.75 is: 49,213.62
Step by Step Solution
- Step 1: Write the proportion equation
67,991.07 : 101,838.65 = 32,856.75 : x - Step 2: Convert to fraction form
67,991.07/101,838.65 = 32,856.75/x - Step 3: Cross multiply
67,991.07x = 101,838.65 × 32,856.75 - Step 4: Simplify right side
67,991.07x = 3,346,086,899.10 - Step 5: Solve for x
x = 3,346,086,899.10/67,991.07 - Step 6: Final answer
x = 49,213.62
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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.