Finding the Fourth Proportional to 68,157.60, 102,385.44 and 48,562.08
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Solution
The fourth proportional to 68,157.60, 102,385.44 and 48,562.08 is: 72,949.31
Step by Step Solution
- Step 1: Write the proportion equation
68,157.60 : 102,385.44 = 48,562.08 : x - Step 2: Convert to fraction form
68,157.60/102,385.44 = 48,562.08/x - Step 3: Cross multiply
68,157.60x = 102,385.44 × 48,562.08 - Step 4: Simplify right side
68,157.60x = 4,972,049,928.12 - Step 5: Solve for x
x = 4,972,049,928.12/68,157.60 - Step 6: Final answer
x = 72,949.31
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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.