Finding the Fourth Proportional to 73,075.68, 100,844.28 and 39,541.68
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Solution
The fourth proportional to 73,075.68, 100,844.28 and 39,541.68 is: 54,567.43
Step by Step Solution
- Step 1: Write the proportion equation
73,075.68 : 100,844.28 = 39,541.68 : x - Step 2: Convert to fraction form
73,075.68/100,844.28 = 39,541.68/x - Step 3: Cross multiply
73,075.68x = 100,844.28 × 39,541.68 - Step 4: Simplify right side
73,075.68x = 3,987,552,249.59 - Step 5: Solve for x
x = 3,987,552,249.59/73,075.68 - Step 6: Final answer
x = 54,567.43
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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.