Finding the Fourth Proportional to 73,718.24, 101,663.69 and 54,645.53
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Solution
The fourth proportional to 73,718.24, 101,663.69 and 54,645.53 is: 75,360.80
Step by Step Solution
- Step 1: Write the proportion equation
73,718.24 : 101,663.69 = 54,645.53 : x - Step 2: Convert to fraction form
73,718.24/101,663.69 = 54,645.53/x - Step 3: Cross multiply
73,718.24x = 101,663.69 × 54,645.53 - Step 4: Simplify right side
73,718.24x = 5,555,465,440.26 - Step 5: Solve for x
x = 5,555,465,440.26/73,718.24 - Step 6: Final answer
x = 75,360.80
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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.