Finding the Fourth Proportional to 84,071.98, 116,020.11 and 46,347.58
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Solution
The fourth proportional to 84,071.98, 116,020.11 and 46,347.58 is: 63,960.09
Step by Step Solution
- Step 1: Write the proportion equation
84,071.98 : 116,020.11 = 46,347.58 : x - Step 2: Convert to fraction form
84,071.98/116,020.11 = 46,347.58/x - Step 3: Cross multiply
84,071.98x = 116,020.11 × 46,347.58 - Step 4: Simplify right side
84,071.98x = 5,377,251,329.83 - Step 5: Solve for x
x = 5,377,251,329.83/84,071.98 - Step 6: Final answer
x = 63,960.09
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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.