Finding the Fourth Proportional to 84,102.96, 116,065.80 and 48,294.48
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Solution
The fourth proportional to 84,102.96, 116,065.80 and 48,294.48 is: 66,648.52
Step by Step Solution
- Step 1: Write the proportion equation
84,102.96 : 116,065.80 = 48,294.48 : x - Step 2: Convert to fraction form
84,102.96/116,065.80 = 48,294.48/x - Step 3: Cross multiply
84,102.96x = 116,065.80 × 48,294.48 - Step 4: Simplify right side
84,102.96x = 5,605,337,456.78 - Step 5: Solve for x
x = 5,605,337,456.78/84,102.96 - Step 6: Final answer
x = 66,648.52
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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.