Finding the Fourth Proportional to 75,141.26, 103,698.16 and 41,607.26
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Solution
The fourth proportional to 75,141.26, 103,698.16 and 41,607.26 is: 57,419.80
Step by Step Solution
- Step 1: Write the proportion equation
75,141.26 : 103,698.16 = 41,607.26 : x - Step 2: Convert to fraction form
75,141.26/103,698.16 = 41,607.26/x - Step 3: Cross multiply
75,141.26x = 103,698.16 × 41,607.26 - Step 4: Simplify right side
75,141.26x = 4,314,596,304.64 - Step 5: Solve for x
x = 4,314,596,304.64/75,141.26 - Step 6: Final answer
x = 57,419.80
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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.