Finding the Fourth Proportional to 75,994.36, 104,760.99 and 53,264.74
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Solution
The fourth proportional to 75,994.36, 104,760.99 and 53,264.74 is: 73,427.38
Step by Step Solution
- Step 1: Write the proportion equation
75,994.36 : 104,760.99 = 53,264.74 : x - Step 2: Convert to fraction form
75,994.36/104,760.99 = 53,264.74/x - Step 3: Cross multiply
75,994.36x = 104,760.99 × 53,264.74 - Step 4: Simplify right side
75,994.36x = 5,580,066,894.49 - Step 5: Solve for x
x = 5,580,066,894.49/75,994.36 - Step 6: Final answer
x = 73,427.38
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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.