Finding the Fourth Proportional to 84,874.68, 117,099.18 and 51,328.44
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Solution
The fourth proportional to 84,874.68, 117,099.18 and 51,328.44 is: 70,816.39
Step by Step Solution
- Step 1: Write the proportion equation
84,874.68 : 117,099.18 = 51,328.44 : x - Step 2: Convert to fraction form
84,874.68/117,099.18 = 51,328.44/x - Step 3: Cross multiply
84,874.68x = 117,099.18 × 51,328.44 - Step 4: Simplify right side
84,874.68x = 6,010,518,234.68 - Step 5: Solve for x
x = 6,010,518,234.68/84,874.68 - Step 6: Final answer
x = 70,816.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.