Finding the Fourth Proportional to 106,841.99, 147,442.93 and 58,442.94
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Solution
The fourth proportional to 106,841.99, 147,442.93 and 58,442.94 is: 80,651.79
Step by Step Solution
- Step 1: Write the proportion equation
106,841.99 : 147,442.93 = 58,442.94 : x - Step 2: Convert to fraction form
106,841.99/147,442.93 = 58,442.94/x - Step 3: Cross multiply
106,841.99x = 147,442.93 × 58,442.94 - Step 4: Simplify right side
106,841.99x = 8,616,998,165.31 - Step 5: Solve for x
x = 8,616,998,165.31/106,841.99 - Step 6: Final answer
x = 80,651.79
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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.