Finding the Fourth Proportional to 84,397.04, 126,556.57 and 31,075.62
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Solution
The fourth proportional to 84,397.04, 126,556.57 and 31,075.62 is: 46,599.07
Step by Step Solution
- Step 1: Write the proportion equation
84,397.04 : 126,556.57 = 31,075.62 : x - Step 2: Convert to fraction form
84,397.04/126,556.57 = 31,075.62/x - Step 3: Cross multiply
84,397.04x = 126,556.57 × 31,075.62 - Step 4: Simplify right side
84,397.04x = 3,932,823,877.82 - Step 5: Solve for x
x = 3,932,823,877.82/84,397.04 - Step 6: Final answer
x = 46,599.07
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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.