Finding the Fourth Proportional to 75,888.25, 113,837.88 and 29,141.13
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Solution
The fourth proportional to 75,888.25, 113,837.88 and 29,141.13 is: 43,713.80
Step by Step Solution
- Step 1: Write the proportion equation
75,888.25 : 113,837.88 = 29,141.13 : x - Step 2: Convert to fraction form
75,888.25/113,837.88 = 29,141.13/x - Step 3: Cross multiply
75,888.25x = 113,837.88 × 29,141.13 - Step 4: Simplify right side
75,888.25x = 3,317,364,175.41 - Step 5: Solve for x
x = 3,317,364,175.41/75,888.25 - Step 6: Final answer
x = 43,713.80
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1.5x scale
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.