Finding the Fourth Proportional to 79,963.07, 119,945.01 and 33,215.99
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Solution
The fourth proportional to 79,963.07, 119,945.01 and 33,215.99 is: 49,824.15
Step by Step Solution
- Step 1: Write the proportion equation
79,963.07 : 119,945.01 = 33,215.99 : x - Step 2: Convert to fraction form
79,963.07/119,945.01 = 33,215.99/x - Step 3: Cross multiply
79,963.07x = 119,945.01 × 33,215.99 - Step 4: Simplify right side
79,963.07x = 3,984,091,652.98 - Step 5: Solve for x
x = 3,984,091,652.98/79,963.07 - Step 6: Final answer
x = 49,824.15
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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.