Finding the Fourth Proportional to 126,760.93, 174,929.79 and 75,771.19
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Solution
The fourth proportional to 126,760.93, 174,929.79 and 75,771.19 is: 104,564.07
Step by Step Solution
- Step 1: Write the proportion equation
126,760.93 : 174,929.79 = 75,771.19 : x - Step 2: Convert to fraction form
126,760.93/174,929.79 = 75,771.19/x - Step 3: Cross multiply
126,760.93x = 174,929.79 × 75,771.19 - Step 4: Simplify right side
126,760.93x = 13,254,638,354.75 - Step 5: Solve for x
x = 13,254,638,354.75/126,760.93 - Step 6: Final answer
x = 104,564.07
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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.