Finding the Fourth Proportional to 75,937.69, 104,799.74 and 43,682.17
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Solution
The fourth proportional to 75,937.69, 104,799.74 and 43,682.17 is: 60,284.69
Step by Step Solution
- Step 1: Write the proportion equation
75,937.69 : 104,799.74 = 43,682.17 : x - Step 2: Convert to fraction form
75,937.69/104,799.74 = 43,682.17/x - Step 3: Cross multiply
75,937.69x = 104,799.74 × 43,682.17 - Step 4: Simplify right side
75,937.69x = 4,577,879,578.23 - Step 5: Solve for x
x = 4,577,879,578.23/75,937.69 - Step 6: Final answer
x = 60,284.69
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1.5x scale
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.