Finding the Fourth Proportional to 75,203.28, 103,778.28 and 41,211.36
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Solution
The fourth proportional to 75,203.28, 103,778.28 and 41,211.36 is: 56,870.45
Step by Step Solution
- Step 1: Write the proportion equation
75,203.28 : 103,778.28 = 41,211.36 : x - Step 2: Convert to fraction form
75,203.28/103,778.28 = 41,211.36/x - Step 3: Cross multiply
75,203.28x = 103,778.28 × 41,211.36 - Step 4: Simplify right side
75,203.28x = 4,276,844,057.26 - Step 5: Solve for x
x = 4,276,844,057.26/75,203.28 - Step 6: Final answer
x = 56,870.45
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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.