Finding the Fourth Proportional to 96,691.03, 133,431.53 and 53,667.99
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Solution
The fourth proportional to 96,691.03, 133,431.53 and 53,667.99 is: 74,060.66
Step by Step Solution
- Step 1: Write the proportion equation
96,691.03 : 133,431.53 = 53,667.99 : x - Step 2: Convert to fraction form
96,691.03/133,431.53 = 53,667.99/x - Step 3: Cross multiply
96,691.03x = 133,431.53 × 53,667.99 - Step 4: Simplify right side
96,691.03x = 7,161,001,749.38 - Step 5: Solve for x
x = 7,161,001,749.38/96,691.03 - Step 6: Final answer
x = 74,060.66
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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.