Finding the Fourth Proportional to 84,808.40, 117,030.36 and 46,567.80
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Solution
The fourth proportional to 84,808.40, 117,030.36 and 46,567.80 is: 64,260.68
Step by Step Solution
- Step 1: Write the proportion equation
84,808.40 : 117,030.36 = 46,567.80 : x - Step 2: Convert to fraction form
84,808.40/117,030.36 = 46,567.80/x - Step 3: Cross multiply
84,808.40x = 117,030.36 × 46,567.80 - Step 4: Simplify right side
84,808.40x = 5,449,846,081.03 - Step 5: Solve for x
x = 5,449,846,081.03/84,808.40 - Step 6: Final answer
x = 64,260.68
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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.