Finding the Fourth Proportional to 117,001.43, 161,462.00 and 66,024.99
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Solution
The fourth proportional to 117,001.43, 161,462.00 and 66,024.99 is: 91,114.50
Step by Step Solution
- Step 1: Write the proportion equation
117,001.43 : 161,462.00 = 66,024.99 : x - Step 2: Convert to fraction form
117,001.43/161,462.00 = 66,024.99/x - Step 3: Cross multiply
117,001.43x = 161,462.00 × 66,024.99 - Step 4: Simplify right side
117,001.43x = 10,660,526,605.26 - Step 5: Solve for x
x = 10,660,526,605.26/117,001.43 - Step 6: Final answer
x = 91,114.50
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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.