Finding the Fourth Proportional to 79,524.99, 109,742.22 and 43,710.08
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Solution
The fourth proportional to 79,524.99, 109,742.22 and 43,710.08 is: 60,318.66
Step by Step Solution
- Step 1: Write the proportion equation
79,524.99 : 109,742.22 = 43,710.08 : x - Step 2: Convert to fraction form
79,524.99/109,742.22 = 43,710.08/x - Step 3: Cross multiply
79,524.99x = 109,742.22 × 43,710.08 - Step 4: Simplify right side
79,524.99x = 4,796,840,666.87 - Step 5: Solve for x
x = 4,796,840,666.87/79,524.99 - Step 6: Final answer
x = 60,318.66
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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.