Finding the Fourth Proportional to 69,937.41, 104,831.42 and 27,759.09
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Solution
The fourth proportional to 69,937.41, 104,831.42 and 27,759.09 is: 41,608.99
Step by Step Solution
- Step 1: Write the proportion equation
69,937.41 : 104,831.42 = 27,759.09 : x - Step 2: Convert to fraction form
69,937.41/104,831.42 = 27,759.09/x - Step 3: Cross multiply
69,937.41x = 104,831.42 × 27,759.09 - Step 4: Simplify right side
69,937.41x = 2,910,024,683.81 - Step 5: Solve for x
x = 2,910,024,683.81/69,937.41 - Step 6: Final answer
x = 41,608.99
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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.