Finding the Fourth Proportional to 102,676.92, 141,651.99 and 62,384.18
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Solution
The fourth proportional to 102,676.92, 141,651.99 and 62,384.18 is: 86,064.55
Step by Step Solution
- Step 1: Write the proportion equation
102,676.92 : 141,651.99 = 62,384.18 : x - Step 2: Convert to fraction form
102,676.92/141,651.99 = 62,384.18/x - Step 3: Cross multiply
102,676.92x = 141,651.99 × 62,384.18 - Step 4: Simplify right side
102,676.92x = 8,836,842,533.26 - Step 5: Solve for x
x = 8,836,842,533.26/102,676.92 - Step 6: Final answer
x = 86,064.55
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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.