Finding the Fourth Proportional to 84,709.12, 116,898.36 and 46,468.84
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Solution
The fourth proportional to 84,709.12, 116,898.36 and 46,468.84 is: 64,126.88
Step by Step Solution
- Step 1: Write the proportion equation
84,709.12 : 116,898.36 = 46,468.84 : x - Step 2: Convert to fraction form
84,709.12/116,898.36 = 46,468.84/x - Step 3: Cross multiply
84,709.12x = 116,898.36 × 46,468.84 - Step 4: Simplify right side
84,709.12x = 5,432,131,187.10 - Step 5: Solve for x
x = 5,432,131,187.10/84,709.12 - Step 6: Final answer
x = 64,126.88
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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.