Finding the Fourth Proportional to 96,865.73, 133,673.79 and 53,844.09
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Solution
The fourth proportional to 96,865.73, 133,673.79 and 53,844.09 is: 74,304.33
Step by Step Solution
- Step 1: Write the proportion equation
96,865.73 : 133,673.79 = 53,844.09 : x - Step 2: Convert to fraction form
96,865.73/133,673.79 = 53,844.09/x - Step 3: Cross multiply
96,865.73x = 133,673.79 × 53,844.09 - Step 4: Simplify right side
96,865.73x = 7,197,543,579.40 - Step 5: Solve for x
x = 7,197,543,579.40/96,865.73 - Step 6: Final answer
x = 74,304.33
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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.