Finding the Fourth Proportional to 96,636.28, 133,357.74 and 54,194.68
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Solution
The fourth proportional to 96,636.28, 133,357.74 and 54,194.68 is: 74,788.48
Step by Step Solution
- Step 1: Write the proportion equation
96,636.28 : 133,357.74 = 54,194.68 : x - Step 2: Convert to fraction form
96,636.28/133,357.74 = 54,194.68/x - Step 3: Cross multiply
96,636.28x = 133,357.74 × 54,194.68 - Step 4: Simplify right side
96,636.28x = 7,227,280,044.82 - Step 5: Solve for x
x = 7,227,280,044.82/96,636.28 - Step 6: Final answer
x = 74,788.48
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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.