Finding the Fourth Proportional to 84,738.35, 116,874.09 and 62,069.09
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Solution
The fourth proportional to 84,738.35, 116,874.09 and 62,069.09 is: 85,607.85
Step by Step Solution
- Step 1: Write the proportion equation
84,738.35 : 116,874.09 = 62,069.09 : x - Step 2: Convert to fraction form
84,738.35/116,874.09 = 62,069.09/x - Step 3: Cross multiply
84,738.35x = 116,874.09 × 62,069.09 - Step 4: Simplify right side
84,738.35x = 7,254,267,826.51 - Step 5: Solve for x
x = 7,254,267,826.51/84,738.35 - Step 6: Final answer
x = 85,607.85
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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.