Finding the Fourth Proportional to 70,805.58, 106,274.07 and 35,769.84
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Solution
The fourth proportional to 70,805.58, 106,274.07 and 35,769.84 is: 53,687.95
Step by Step Solution
- Step 1: Write the proportion equation
70,805.58 : 106,274.07 = 35,769.84 : x - Step 2: Convert to fraction form
70,805.58/106,274.07 = 35,769.84/x - Step 3: Cross multiply
70,805.58x = 106,274.07 × 35,769.84 - Step 4: Simplify right side
70,805.58x = 3,801,406,480.05 - Step 5: Solve for x
x = 3,801,406,480.05/70,805.58 - Step 6: Final answer
x = 53,687.95
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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.