Finding the Fourth Proportional to 114,813.99, 172,224.23 and 31,707.99
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Solution
The fourth proportional to 114,813.99, 172,224.23 and 31,707.99 is: 47,562.88
Step by Step Solution
- Step 1: Write the proportion equation
114,813.99 : 172,224.23 = 31,707.99 : x - Step 2: Convert to fraction form
114,813.99/172,224.23 = 31,707.99/x - Step 3: Cross multiply
114,813.99x = 172,224.23 × 31,707.99 - Step 4: Simplify right side
114,813.99x = 5,460,884,004.06 - Step 5: Solve for x
x = 5,460,884,004.06/114,813.99 - Step 6: Final answer
x = 47,562.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.