Finding the Fourth Proportional to 124,770.96, 172,183.68 and 71,055.99
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Solution
The fourth proportional to 124,770.96, 172,183.68 and 71,055.99 is: 98,057.13
Step by Step Solution
- Step 1: Write the proportion equation
124,770.96 : 172,183.68 = 71,055.99 : x - Step 2: Convert to fraction form
124,770.96/172,183.68 = 71,055.99/x - Step 3: Cross multiply
124,770.96x = 172,183.68 × 71,055.99 - Step 4: Simplify right side
124,770.96x = 12,234,681,844.24 - Step 5: Solve for x
x = 12,234,681,844.24/124,770.96 - Step 6: Final answer
x = 98,057.13
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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.