Finding the Fourth Proportional to 83,556.87, 115,308.67 and 47,746.79
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Solution
The fourth proportional to 83,556.87, 115,308.67 and 47,746.79 is: 65,890.68
Step by Step Solution
- Step 1: Write the proportion equation
83,556.87 : 115,308.67 = 47,746.79 : x - Step 2: Convert to fraction form
83,556.87/115,308.67 = 47,746.79/x - Step 3: Cross multiply
83,556.87x = 115,308.67 × 47,746.79 - Step 4: Simplify right side
83,556.87x = 5,505,619,110.10 - Step 5: Solve for x
x = 5,505,619,110.10/83,556.87 - Step 6: Final answer
x = 65,890.68
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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.