Finding the Fourth Proportional to 68,179.24, 102,285.26 and 21,432.08
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Solution
The fourth proportional to 68,179.24, 102,285.26 and 21,432.08 is: 32,153.28
Step by Step Solution
- Step 1: Write the proportion equation
68,179.24 : 102,285.26 = 21,432.08 : x - Step 2: Convert to fraction form
68,179.24/102,285.26 = 21,432.08/x - Step 3: Cross multiply
68,179.24x = 102,285.26 × 21,432.08 - Step 4: Simplify right side
68,179.24x = 2,192,185,875.14 - Step 5: Solve for x
x = 2,192,185,875.14/68,179.24 - Step 6: Final answer
x = 32,153.28
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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.