Finding the Fourth Proportional to 75,036.97, 112,351.20 and 52,817.05
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Solution
The fourth proportional to 75,036.97, 112,351.20 and 52,817.05 is: 79,081.80
Step by Step Solution
- Step 1: Write the proportion equation
75,036.97 : 112,351.20 = 52,817.05 : x - Step 2: Convert to fraction form
75,036.97/112,351.20 = 52,817.05/x - Step 3: Cross multiply
75,036.97x = 112,351.20 × 52,817.05 - Step 4: Simplify right side
75,036.97x = 5,934,058,947.96 - Step 5: Solve for x
x = 5,934,058,947.96/75,036.97 - Step 6: Final answer
x = 79,081.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.