Finding the Fourth Proportional to 100,084.23, 138,092.99 and 59,811.03
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Solution
The fourth proportional to 100,084.23, 138,092.99 and 59,811.03 is: 82,525.33
Step by Step Solution
- Step 1: Write the proportion equation
100,084.23 : 138,092.99 = 59,811.03 : x - Step 2: Convert to fraction form
100,084.23/138,092.99 = 59,811.03/x - Step 3: Cross multiply
100,084.23x = 138,092.99 × 59,811.03 - Step 4: Simplify right side
100,084.23x = 8,259,483,668.62 - Step 5: Solve for x
x = 8,259,483,668.62/100,084.23 - Step 6: Final answer
x = 82,525.33
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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.