Finding the Fourth Proportional to 73,963.50, 102,076.77 and 43,758.53
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Solution
The fourth proportional to 73,963.50, 102,076.77 and 43,758.53 is: 60,390.99
Step by Step Solution
- Step 1: Write the proportion equation
73,963.50 : 102,076.77 = 43,758.53 : x - Step 2: Convert to fraction form
73,963.50/102,076.77 = 43,758.53/x - Step 3: Cross multiply
73,963.50x = 102,076.77 × 43,758.53 - Step 4: Simplify right side
73,963.50x = 4,466,728,891.96 - Step 5: Solve for x
x = 4,466,728,891.96/73,963.50 - Step 6: Final answer
x = 60,390.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.