Finding the Fourth Proportional to 75,424.41, 104,080.68 and 41,426.28
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Solution
The fourth proportional to 75,424.41, 104,080.68 and 41,426.28 is: 57,165.52
Step by Step Solution
- Step 1: Write the proportion equation
75,424.41 : 104,080.68 = 41,426.28 : x - Step 2: Convert to fraction form
75,424.41/104,080.68 = 41,426.28/x - Step 3: Cross multiply
75,424.41x = 104,080.68 × 41,426.28 - Step 4: Simplify right side
75,424.41x = 4,311,675,392.27 - Step 5: Solve for x
x = 4,311,675,392.27/75,424.41 - Step 6: Final answer
x = 57,165.52
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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.