Finding the Fourth Proportional to 71,293.74, 106,880.46 and 44,940.38
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Solution
The fourth proportional to 71,293.74, 106,880.46 and 44,940.38 is: 67,372.65
Step by Step Solution
- Step 1: Write the proportion equation
71,293.74 : 106,880.46 = 44,940.38 : x - Step 2: Convert to fraction form
71,293.74/106,880.46 = 44,940.38/x - Step 3: Cross multiply
71,293.74x = 106,880.46 × 44,940.38 - Step 4: Simplify right side
71,293.74x = 4,803,248,486.97 - Step 5: Solve for x
x = 4,803,248,486.97/71,293.74 - Step 6: Final answer
x = 67,372.65
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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.