Finding the Fourth Proportional to 96,626.84, 133,346.40 and 58,381.06
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Solution
The fourth proportional to 96,626.84, 133,346.40 and 58,381.06 is: 80,566.68
Step by Step Solution
- Step 1: Write the proportion equation
96,626.84 : 133,346.40 = 58,381.06 : x - Step 2: Convert to fraction form
96,626.84/133,346.40 = 58,381.06/x - Step 3: Cross multiply
96,626.84x = 133,346.40 × 58,381.06 - Step 4: Simplify right side
96,626.84x = 7,784,904,179.18 - Step 5: Solve for x
x = 7,784,904,179.18/96,626.84 - Step 6: Final answer
x = 80,566.68
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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.