Finding the Fourth Proportional to 68,589.08, 102,812.98 and 38,944.29
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Solution
The fourth proportional to 68,589.08, 102,812.98 and 38,944.29 is: 58,376.33
Step by Step Solution
- Step 1: Write the proportion equation
68,589.08 : 102,812.98 = 38,944.29 : x - Step 2: Convert to fraction form
68,589.08/102,812.98 = 38,944.29/x - Step 3: Cross multiply
68,589.08x = 102,812.98 × 38,944.29 - Step 4: Simplify right side
68,589.08x = 4,003,978,508.88 - Step 5: Solve for x
x = 4,003,978,508.88/68,589.08 - Step 6: Final answer
x = 58,376.33
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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.