Finding the Fourth Proportional to 75,554.36, 113,331.50 and 35,991.56
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Solution
The fourth proportional to 75,554.36, 113,331.50 and 35,991.56 is: 53,987.32
Step by Step Solution
- Step 1: Write the proportion equation
75,554.36 : 113,331.50 = 35,991.56 : x - Step 2: Convert to fraction form
75,554.36/113,331.50 = 35,991.56/x - Step 3: Cross multiply
75,554.36x = 113,331.50 × 35,991.56 - Step 4: Simplify right side
75,554.36x = 4,078,977,482.14 - Step 5: Solve for x
x = 4,078,977,482.14/75,554.36 - Step 6: Final answer
x = 53,987.32
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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.