Finding the Fourth Proportional to 106,540.48, 147,024.64 and 58,794.08
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Solution
The fourth proportional to 106,540.48, 147,024.64 and 58,794.08 is: 81,135.16
Step by Step Solution
- Step 1: Write the proportion equation
106,540.48 : 147,024.64 = 58,794.08 : x - Step 2: Convert to fraction form
106,540.48/147,024.64 = 58,794.08/x - Step 3: Cross multiply
106,540.48x = 147,024.64 × 58,794.08 - Step 4: Simplify right side
106,540.48x = 8,644,178,446.13 - Step 5: Solve for x
x = 8,644,178,446.13/106,540.48 - Step 6: Final answer
x = 81,135.16
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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.