Finding the Fourth Proportional to 85,109.49, 117,448.97 and 46,868.74
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Solution
The fourth proportional to 85,109.49, 117,448.97 and 46,868.74 is: 64,677.68
Step by Step Solution
- Step 1: Write the proportion equation
85,109.49 : 117,448.97 = 46,868.74 : x - Step 2: Convert to fraction form
85,109.49/117,448.97 = 46,868.74/x - Step 3: Cross multiply
85,109.49x = 117,448.97 × 46,868.74 - Step 4: Simplify right side
85,109.49x = 5,504,684,710.23 - Step 5: Solve for x
x = 5,504,684,710.23/85,109.49 - Step 6: Final answer
x = 64,677.68
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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.