Finding the Fourth Proportional to 75,155.62, 112,743.81 and 25,249.99
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Solution
The fourth proportional to 75,155.62, 112,743.81 and 25,249.99 is: 37,878.47
Step by Step Solution
- Step 1: Write the proportion equation
75,155.62 : 112,743.81 = 25,249.99 : x - Step 2: Convert to fraction form
75,155.62/112,743.81 = 25,249.99/x - Step 3: Cross multiply
75,155.62x = 112,743.81 × 25,249.99 - Step 4: Simplify right side
75,155.62x = 2,846,780,075.06 - Step 5: Solve for x
x = 2,846,780,075.06/75,155.62 - Step 6: Final answer
x = 37,878.47
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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.