Finding the Fourth Proportional to 97,621.26, 134,716.95 and 54,600.81
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Solution
The fourth proportional to 97,621.26, 134,716.95 and 54,600.81 is: 75,348.90
Step by Step Solution
- Step 1: Write the proportion equation
97,621.26 : 134,716.95 = 54,600.81 : x - Step 2: Convert to fraction form
97,621.26/134,716.95 = 54,600.81/x - Step 3: Cross multiply
97,621.26x = 134,716.95 × 54,600.81 - Step 4: Simplify right side
97,621.26x = 7,355,654,590.73 - Step 5: Solve for x
x = 7,355,654,590.73/97,621.26 - Step 6: Final answer
x = 75,348.90
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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.