Finding the Fourth Proportional to 109,806.12, 151,524.09 and 62,063.91
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Solution
The fourth proportional to 109,806.12, 151,524.09 and 62,063.91 is: 85,643.47
Step by Step Solution
- Step 1: Write the proportion equation
109,806.12 : 151,524.09 = 62,063.91 : x - Step 2: Convert to fraction form
109,806.12/151,524.09 = 62,063.91/x - Step 3: Cross multiply
109,806.12x = 151,524.09 × 62,063.91 - Step 4: Simplify right side
109,806.12x = 9,404,177,484.59 - Step 5: Solve for x
x = 9,404,177,484.59/109,806.12 - Step 6: Final answer
x = 85,643.47
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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.