Finding the Fourth Proportional to 75,079.19, 103,609.27 and 41,087.70
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Solution
The fourth proportional to 75,079.19, 103,609.27 and 41,087.70 is: 56,701.02
Step by Step Solution
- Step 1: Write the proportion equation
75,079.19 : 103,609.27 = 41,087.70 : x - Step 2: Convert to fraction form
75,079.19/103,609.27 = 41,087.70/x - Step 3: Cross multiply
75,079.19x = 103,609.27 × 41,087.70 - Step 4: Simplify right side
75,079.19x = 4,257,066,552.60 - Step 5: Solve for x
x = 4,257,066,552.60/75,079.19 - Step 6: Final answer
x = 56,701.02
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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.