Finding the Fourth Proportional to 88,914.48, 122,688.36 and 51,181.44
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Solution
The fourth proportional to 88,914.48, 122,688.36 and 51,181.44 is: 70,622.55
Step by Step Solution
- Step 1: Write the proportion equation
88,914.48 : 122,688.36 = 51,181.44 : x - Step 2: Convert to fraction form
88,914.48/122,688.36 = 51,181.44/x - Step 3: Cross multiply
88,914.48x = 122,688.36 × 51,181.44 - Step 4: Simplify right side
88,914.48x = 6,279,366,936.04 - Step 5: Solve for x
x = 6,279,366,936.04/88,914.48 - Step 6: Final answer
x = 70,622.55
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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.