Finding the Fourth Proportional to 102,576.08, 141,557.92 and 57,253.13
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Solution
The fourth proportional to 102,576.08, 141,557.92 and 57,253.13 is: 79,010.95
Step by Step Solution
- Step 1: Write the proportion equation
102,576.08 : 141,557.92 = 57,253.13 : x - Step 2: Convert to fraction form
102,576.08/141,557.92 = 57,253.13/x - Step 3: Cross multiply
102,576.08x = 141,557.92 × 57,253.13 - Step 4: Simplify right side
102,576.08x = 8,104,633,996.29 - Step 5: Solve for x
x = 8,104,633,996.29/102,576.08 - Step 6: Final answer
x = 79,010.95
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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.