Finding the Fourth Proportional to 84,070.26, 126,142.74 and 44,079.66
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Solution
The fourth proportional to 84,070.26, 126,142.74 and 44,079.66 is: 66,139.07
Step by Step Solution
- Step 1: Write the proportion equation
84,070.26 : 126,142.74 = 44,079.66 : x - Step 2: Convert to fraction form
84,070.26/126,142.74 = 44,079.66/x - Step 3: Cross multiply
84,070.26x = 126,142.74 × 44,079.66 - Step 4: Simplify right side
84,070.26x = 5,560,329,090.67 - Step 5: Solve for x
x = 5,560,329,090.67/84,070.26 - Step 6: Final answer
x = 66,139.07
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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.