Finding the Fourth Proportional to 84,396.09, 116,480.93 and 48,606.82
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Solution
The fourth proportional to 84,396.09, 116,480.93 and 48,606.82 is: 67,085.66
Step by Step Solution
- Step 1: Write the proportion equation
84,396.09 : 116,480.93 = 48,606.82 : x - Step 2: Convert to fraction form
84,396.09/116,480.93 = 48,606.82/x - Step 3: Cross multiply
84,396.09x = 116,480.93 × 48,606.82 - Step 4: Simplify right side
84,396.09x = 5,661,767,767.63 - Step 5: Solve for x
x = 5,661,767,767.63/84,396.09 - Step 6: Final answer
x = 67,085.66
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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.