Finding the Fourth Proportional to 75,576.24, 113,393.52 and 28,818.18
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Solution
The fourth proportional to 75,576.24, 113,393.52 and 28,818.18 is: 43,238.39
Step by Step Solution
- Step 1: Write the proportion equation
75,576.24 : 113,393.52 = 28,818.18 : x - Step 2: Convert to fraction form
75,576.24/113,393.52 = 28,818.18/x - Step 3: Cross multiply
75,576.24x = 113,393.52 × 28,818.18 - Step 4: Simplify right side
75,576.24x = 3,267,794,870.19 - Step 5: Solve for x
x = 3,267,794,870.19/75,576.24 - Step 6: Final answer
x = 43,238.39
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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.