Finding the Fourth Proportional to 83,542.83, 115,295.21 and 47,732.07
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Solution
The fourth proportional to 83,542.83, 115,295.21 and 47,732.07 is: 65,873.75
Step by Step Solution
- Step 1: Write the proportion equation
83,542.83 : 115,295.21 = 47,732.07 : x - Step 2: Convert to fraction form
83,542.83/115,295.21 = 47,732.07/x - Step 3: Cross multiply
83,542.83x = 115,295.21 × 47,732.07 - Step 4: Simplify right side
83,542.83x = 5,503,279,228.08 - Step 5: Solve for x
x = 5,503,279,228.08/83,542.83 - Step 6: Final answer
x = 65,873.75
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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.