Finding the Fourth Proportional to 96,926.19, 133,757.40 and 53,906.07
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Solution
The fourth proportional to 96,926.19, 133,757.40 and 53,906.07 is: 74,389.96
Step by Step Solution
- Step 1: Write the proportion equation
96,926.19 : 133,757.40 = 53,906.07 : x - Step 2: Convert to fraction form
96,926.19/133,757.40 = 53,906.07/x - Step 3: Cross multiply
96,926.19x = 133,757.40 × 53,906.07 - Step 4: Simplify right side
96,926.19x = 7,210,335,767.42 - Step 5: Solve for x
x = 7,210,335,767.42/96,926.19 - Step 6: Final answer
x = 74,389.96
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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.