Finding the Fourth Proportional to 83,661.44, 125,479.12 and 27,501.16
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Solution
The fourth proportional to 83,661.44, 125,479.12 and 27,501.16 is: 41,247.45
Step by Step Solution
- Step 1: Write the proportion equation
83,661.44 : 125,479.12 = 27,501.16 : x - Step 2: Convert to fraction form
83,661.44/125,479.12 = 27,501.16/x - Step 3: Cross multiply
83,661.44x = 125,479.12 × 27,501.16 - Step 4: Simplify right side
83,661.44x = 3,450,821,355.78 - Step 5: Solve for x
x = 3,450,821,355.78/83,661.44 - Step 6: Final answer
x = 41,247.45
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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.