Finding the Fourth Proportional to 83,707.80, 125,579.89 and 27,553.62
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Solution
The fourth proportional to 83,707.80, 125,579.89 and 27,553.62 is: 41,336.41
Step by Step Solution
- Step 1: Write the proportion equation
83,707.80 : 125,579.89 = 27,553.62 : x - Step 2: Convert to fraction form
83,707.80/125,579.89 = 27,553.62/x - Step 3: Cross multiply
83,707.80x = 125,579.89 × 27,553.62 - Step 4: Simplify right side
83,707.80x = 3,460,180,445.18 - Step 5: Solve for x
x = 3,460,180,445.18/83,707.80 - Step 6: Final answer
x = 41,336.41
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1.5x scale
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.