Finding the Fourth Proportional to 68,123.44, 102,178.68 and 21,368.08
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Solution
The fourth proportional to 68,123.44, 102,178.68 and 21,368.08 is: 32,050.09
Step by Step Solution
- Step 1: Write the proportion equation
68,123.44 : 102,178.68 = 21,368.08 : x - Step 2: Convert to fraction form
68,123.44/102,178.68 = 21,368.08/x - Step 3: Cross multiply
68,123.44x = 102,178.68 × 21,368.08 - Step 4: Simplify right side
68,123.44x = 2,183,362,208.53 - Step 5: Solve for x
x = 2,183,362,208.53/68,123.44 - Step 6: Final answer
x = 32,050.09
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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.