Finding the Fourth Proportional to 75,179.97, 103,730.09 and 41,645.97
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Solution
The fourth proportional to 75,179.97, 103,730.09 and 41,645.97 is: 57,461.32
Step by Step Solution
- Step 1: Write the proportion equation
75,179.97 : 103,730.09 = 41,645.97 : x - Step 2: Convert to fraction form
75,179.97/103,730.09 = 41,645.97/x - Step 3: Cross multiply
75,179.97x = 103,730.09 × 41,645.97 - Step 4: Simplify right side
75,179.97x = 4,319,940,008.01 - Step 5: Solve for x
x = 4,319,940,008.01/75,179.97 - Step 6: Final answer
x = 57,461.32
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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.