Finding the Fourth Proportional to 75,827.26, 113,507.61 and 49,475.26
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Solution
The fourth proportional to 75,827.26, 113,507.61 and 49,475.26 is: 74,060.68
Step by Step Solution
- Step 1: Write the proportion equation
75,827.26 : 113,507.61 = 49,475.26 : x - Step 2: Convert to fraction form
75,827.26/113,507.61 = 49,475.26/x - Step 3: Cross multiply
75,827.26x = 113,507.61 × 49,475.26 - Step 4: Simplify right side
75,827.26x = 5,615,818,516.73 - Step 5: Solve for x
x = 5,615,818,516.73/75,827.26 - Step 6: Final answer
x = 74,060.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.