Finding the Fourth Proportional to 75,116.70, 103,662.27 and 41,124.62
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Solution
The fourth proportional to 75,116.70, 103,662.27 and 41,124.62 is: 56,752.65
Step by Step Solution
- Step 1: Write the proportion equation
75,116.70 : 103,662.27 = 41,124.62 : x - Step 2: Convert to fraction form
75,116.70/103,662.27 = 41,124.62/x - Step 3: Cross multiply
75,116.70x = 103,662.27 × 41,124.62 - Step 4: Simplify right side
75,116.70x = 4,263,071,462.09 - Step 5: Solve for x
x = 4,263,071,462.09/75,116.70 - Step 6: Final answer
x = 56,752.65
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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.