Finding the Fourth Proportional to 75,133.14, 103,685.35 and 41,143.06
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Solution
The fourth proportional to 75,133.14, 103,685.35 and 41,143.06 is: 56,778.31
Step by Step Solution
- Step 1: Write the proportion equation
75,133.14 : 103,685.35 = 41,143.06 : x - Step 2: Convert to fraction form
75,133.14/103,685.35 = 41,143.06/x - Step 3: Cross multiply
75,133.14x = 103,685.35 × 41,143.06 - Step 4: Simplify right side
75,133.14x = 4,265,932,576.17 - Step 5: Solve for x
x = 4,265,932,576.17/75,133.14 - Step 6: Final answer
x = 56,778.31
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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.