Finding the Fourth Proportional to 67,238.60, 100,880.56 and 29,807.96
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Solution
The fourth proportional to 67,238.60, 100,880.56 and 29,807.96 is: 44,721.99
Step by Step Solution
- Step 1: Write the proportion equation
67,238.60 : 100,880.56 = 29,807.96 : x - Step 2: Convert to fraction form
67,238.60/100,880.56 = 29,807.96/x - Step 3: Cross multiply
67,238.60x = 100,880.56 × 29,807.96 - Step 4: Simplify right side
67,238.60x = 3,007,043,697.26 - Step 5: Solve for x
x = 3,007,043,697.26/67,238.60 - Step 6: Final answer
x = 44,721.99
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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.