Finding the Fourth Proportional to 83,779.70, 115,614.68 and 46,053.14
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Solution
The fourth proportional to 83,779.70, 115,614.68 and 46,053.14 is: 63,552.62
Step by Step Solution
- Step 1: Write the proportion equation
83,779.70 : 115,614.68 = 46,053.14 : x - Step 2: Convert to fraction form
83,779.70/115,614.68 = 46,053.14/x - Step 3: Cross multiply
83,779.70x = 115,614.68 × 46,053.14 - Step 4: Simplify right side
83,779.70x = 5,324,419,044.10 - Step 5: Solve for x
x = 5,324,419,044.10/83,779.70 - Step 6: Final answer
x = 63,552.62
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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.