Finding the Fourth Proportional to 73,648.48, 101,673.36 and 57,481.06
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Solution
The fourth proportional to 73,648.48, 101,673.36 and 57,481.06 is: 79,353.88
Step by Step Solution
- Step 1: Write the proportion equation
73,648.48 : 101,673.36 = 57,481.06 : x - Step 2: Convert to fraction form
73,648.48/101,673.36 = 57,481.06/x - Step 3: Cross multiply
73,648.48x = 101,673.36 × 57,481.06 - Step 4: Simplify right side
73,648.48x = 5,844,292,506.56 - Step 5: Solve for x
x = 5,844,292,506.56/73,648.48 - Step 6: Final answer
x = 79,353.88
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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.