Finding the Fourth Proportional to 73,646.99, 110,470.49 and 20,337.21
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Solution
The fourth proportional to 73,646.99, 110,470.49 and 20,337.21 is: 30,505.82
Step by Step Solution
- Step 1: Write the proportion equation
73,646.99 : 110,470.49 = 20,337.21 : x - Step 2: Convert to fraction form
73,646.99/110,470.49 = 20,337.21/x - Step 3: Cross multiply
73,646.99x = 110,470.49 × 20,337.21 - Step 4: Simplify right side
73,646.99x = 2,246,661,553.93 - Step 5: Solve for x
x = 2,246,661,553.93/73,646.99 - Step 6: Final answer
x = 30,505.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.