Finding the Fourth Proportional to 84,918.97, 117,186.86 and 46,677.69
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Solution
The fourth proportional to 84,918.97, 117,186.86 and 46,677.69 is: 64,414.49
Step by Step Solution
- Step 1: Write the proportion equation
84,918.97 : 117,186.86 = 46,677.69 : x - Step 2: Convert to fraction form
84,918.97/117,186.86 = 46,677.69/x - Step 3: Cross multiply
84,918.97x = 117,186.86 × 46,677.69 - Step 4: Simplify right side
84,918.97x = 5,470,011,689.76 - Step 5: Solve for x
x = 5,470,011,689.76/84,918.97 - Step 6: Final answer
x = 64,414.49
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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.