Finding the Fourth Proportional to 68,356.20, 102,349.02 and 35,455.08
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Solution
The fourth proportional to 68,356.20, 102,349.02 and 35,455.08 is: 53,086.52
Step by Step Solution
- Step 1: Write the proportion equation
68,356.20 : 102,349.02 = 35,455.08 : x - Step 2: Convert to fraction form
68,356.20/102,349.02 = 35,455.08/x - Step 3: Cross multiply
68,356.20x = 102,349.02 × 35,455.08 - Step 4: Simplify right side
68,356.20x = 3,628,792,692.02 - Step 5: Solve for x
x = 3,628,792,692.02/68,356.20 - Step 6: Final answer
x = 53,086.52
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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.