Finding the Fourth Proportional to 102,576.06, 141,562.08 and 57,262.95
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Solution
The fourth proportional to 102,576.06, 141,562.08 and 57,262.95 is: 79,026.84
Step by Step Solution
- Step 1: Write the proportion equation
102,576.06 : 141,562.08 = 57,262.95 : x - Step 2: Convert to fraction form
102,576.06/141,562.08 = 57,262.95/x - Step 3: Cross multiply
102,576.06x = 141,562.08 × 57,262.95 - Step 4: Simplify right side
102,576.06x = 8,106,262,308.94 - Step 5: Solve for x
x = 8,106,262,308.94/102,576.06 - Step 6: Final answer
x = 79,026.84
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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.