Finding the Fourth Proportional to 84,320.24, 116,363.74 and 48,512.67
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Solution
The fourth proportional to 84,320.24, 116,363.74 and 48,512.67 is: 66,948.53
Step by Step Solution
- Step 1: Write the proportion equation
84,320.24 : 116,363.74 = 48,512.67 : x - Step 2: Convert to fraction form
84,320.24/116,363.74 = 48,512.67/x - Step 3: Cross multiply
84,320.24x = 116,363.74 × 48,512.67 - Step 4: Simplify right side
84,320.24x = 5,645,115,906.45 - Step 5: Solve for x
x = 5,645,115,906.45/84,320.24 - Step 6: Final answer
x = 66,948.53
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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.