Finding the Fourth Proportional to 76,223.36, 105,192.14 and 46,008.26
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Solution
The fourth proportional to 76,223.36, 105,192.14 and 46,008.26 is: 63,493.75
Step by Step Solution
- Step 1: Write the proportion equation
76,223.36 : 105,192.14 = 46,008.26 : x - Step 2: Convert to fraction form
76,223.36/105,192.14 = 46,008.26/x - Step 3: Cross multiply
76,223.36x = 105,192.14 × 46,008.26 - Step 4: Simplify right side
76,223.36x = 4,839,707,327.08 - Step 5: Solve for x
x = 4,839,707,327.08/76,223.36 - Step 6: Final answer
x = 63,493.75
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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.