Finding the Fourth Proportional to 83,703.48, 125,554.50 and 33,782.80
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Solution
The fourth proportional to 83,703.48, 125,554.50 and 33,782.80 is: 50,673.91
Step by Step Solution
- Step 1: Write the proportion equation
83,703.48 : 125,554.50 = 33,782.80 : x - Step 2: Convert to fraction form
83,703.48/125,554.50 = 33,782.80/x - Step 3: Cross multiply
83,703.48x = 125,554.50 × 33,782.80 - Step 4: Simplify right side
83,703.48x = 4,241,582,562.60 - Step 5: Solve for x
x = 4,241,582,562.60/83,703.48 - Step 6: Final answer
x = 50,673.91
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.