Finding the Fourth Proportional to 75,039.41, 112,574.18 and 27,654.75
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Solution
The fourth proportional to 75,039.41, 112,574.18 and 27,654.75 is: 41,487.68
Step by Step Solution
- Step 1: Write the proportion equation
75,039.41 : 112,574.18 = 27,654.75 : x - Step 2: Convert to fraction form
75,039.41/112,574.18 = 27,654.75/x - Step 3: Cross multiply
75,039.41x = 112,574.18 × 27,654.75 - Step 4: Simplify right side
75,039.41x = 3,113,210,804.36 - Step 5: Solve for x
x = 3,113,210,804.36/75,039.41 - Step 6: Final answer
x = 41,487.68
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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.