Finding the Fourth Proportional to 68,230.56, 102,334.68 and 48,449.28
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Solution
The fourth proportional to 68,230.56, 102,334.68 and 48,449.28 is: 72,666.00
Step by Step Solution
- Step 1: Write the proportion equation
68,230.56 : 102,334.68 = 48,449.28 : x - Step 2: Convert to fraction form
68,230.56/102,334.68 = 48,449.28/x - Step 3: Cross multiply
68,230.56x = 102,334.68 × 48,449.28 - Step 4: Simplify right side
68,230.56x = 4,958,041,565.03 - Step 5: Solve for x
x = 4,958,041,565.03/68,230.56 - Step 6: Final answer
x = 72,666.00
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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.