Finding the Fourth Proportional to 96,034.06, 143,357.99 and 91,720.54
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Solution
The fourth proportional to 96,034.06, 143,357.99 and 91,720.54 is: 136,918.84
Step by Step Solution
- Step 1: Write the proportion equation
96,034.06 : 143,357.99 = 91,720.54 : x - Step 2: Convert to fraction form
96,034.06/143,357.99 = 91,720.54/x - Step 3: Cross multiply
96,034.06x = 143,357.99 × 91,720.54 - Step 4: Simplify right side
96,034.06x = 13,148,872,256.11 - Step 5: Solve for x
x = 13,148,872,256.11/96,034.06 - Step 6: Final answer
x = 136,918.84
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.