Finding the Fourth Proportional to 97,279.53, 134,247.81 and 54,838.06
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Solution
The fourth proportional to 97,279.53, 134,247.81 and 54,838.06 is: 75,677.68
Step by Step Solution
- Step 1: Write the proportion equation
97,279.53 : 134,247.81 = 54,838.06 : x - Step 2: Convert to fraction form
97,279.53/134,247.81 = 54,838.06/x - Step 3: Cross multiply
97,279.53x = 134,247.81 × 54,838.06 - Step 4: Simplify right side
97,279.53x = 7,361,889,658.17 - Step 5: Solve for x
x = 7,361,889,658.17/97,279.53 - Step 6: Final answer
x = 75,677.68
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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.