Finding the Fourth Proportional to 83,001.75, 114,541.06 and 47,190.99
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Solution
The fourth proportional to 83,001.75, 114,541.06 and 47,190.99 is: 65,122.80
Step by Step Solution
- Step 1: Write the proportion equation
83,001.75 : 114,541.06 = 47,190.99 : x - Step 2: Convert to fraction form
83,001.75/114,541.06 = 47,190.99/x - Step 3: Cross multiply
83,001.75x = 114,541.06 × 47,190.99 - Step 4: Simplify right side
83,001.75x = 5,405,306,017.05 - Step 5: Solve for x
x = 5,405,306,017.05/83,001.75 - Step 6: Final answer
x = 65,122.80
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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.