Finding the Fourth Proportional to 68,113.44, 102,163.68 and 21,358.08
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Solution
The fourth proportional to 68,113.44, 102,163.68 and 21,358.08 is: 32,035.09
Step by Step Solution
- Step 1: Write the proportion equation
68,113.44 : 102,163.68 = 21,358.08 : x - Step 2: Convert to fraction form
68,113.44/102,163.68 = 21,358.08/x - Step 3: Cross multiply
68,113.44x = 102,163.68 × 21,358.08 - Step 4: Simplify right side
68,113.44x = 2,182,020,050.53 - Step 5: Solve for x
x = 2,182,020,050.53/68,113.44 - Step 6: Final answer
x = 32,035.09
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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.