Finding the Fourth Proportional to 96,936.98, 133,785.09 and 54,495.56
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Solution
The fourth proportional to 96,936.98, 133,785.09 and 54,495.56 is: 75,210.65
Step by Step Solution
- Step 1: Write the proportion equation
96,936.98 : 133,785.09 = 54,495.56 : x - Step 2: Convert to fraction form
96,936.98/133,785.09 = 54,495.56/x - Step 3: Cross multiply
96,936.98x = 133,785.09 × 54,495.56 - Step 4: Simplify right side
96,936.98x = 7,290,693,399.20 - Step 5: Solve for x
x = 7,290,693,399.20/96,936.98 - Step 6: Final answer
x = 75,210.65
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1.5x scale
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.