Finding the Fourth Proportional to 117,419.99, 162,039.88 and 63,704.99
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Solution
The fourth proportional to 117,419.99, 162,039.88 and 63,704.99 is: 87,913.05
Step by Step Solution
- Step 1: Write the proportion equation
117,419.99 : 162,039.88 = 63,704.99 : x - Step 2: Convert to fraction form
117,419.99/162,039.88 = 63,704.99/x - Step 3: Cross multiply
117,419.99x = 162,039.88 × 63,704.99 - Step 4: Simplify right side
117,419.99x = 10,322,749,723.56 - Step 5: Solve for x
x = 10,322,749,723.56/117,419.99 - Step 6: Final answer
x = 87,913.05
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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.