Finding the Fourth Proportional to 67,949.28, 101,960.58 and 39,924.09
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Solution
The fourth proportional to 67,949.28, 101,960.58 and 39,924.09 is: 59,907.67
Step by Step Solution
- Step 1: Write the proportion equation
67,949.28 : 101,960.58 = 39,924.09 : x - Step 2: Convert to fraction form
67,949.28/101,960.58 = 39,924.09/x - Step 3: Cross multiply
67,949.28x = 101,960.58 × 39,924.09 - Step 4: Simplify right side
67,949.28x = 4,070,683,372.37 - Step 5: Solve for x
x = 4,070,683,372.37/67,949.28 - Step 6: Final answer
x = 59,907.67
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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.