Finding the Fourth Proportional to 83,138.04, 124,725.50 and 23,969.09
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Solution
The fourth proportional to 83,138.04, 124,725.50 and 23,969.09 is: 35,958.95
Step by Step Solution
- Step 1: Write the proportion equation
83,138.04 : 124,725.50 = 23,969.09 : x - Step 2: Convert to fraction form
83,138.04/124,725.50 = 23,969.09/x - Step 3: Cross multiply
83,138.04x = 124,725.50 × 23,969.09 - Step 4: Simplify right side
83,138.04x = 2,989,556,734.80 - Step 5: Solve for x
x = 2,989,556,734.80/83,138.04 - Step 6: Final answer
x = 35,958.95
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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.