Finding the Fourth Proportional to 83,574.36, 125,362.74 and 27,418.88
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Solution
The fourth proportional to 83,574.36, 125,362.74 and 27,418.88 is: 41,128.71
Step by Step Solution
- Step 1: Write the proportion equation
83,574.36 : 125,362.74 = 27,418.88 : x - Step 2: Convert to fraction form
83,574.36/125,362.74 = 27,418.88/x - Step 3: Cross multiply
83,574.36x = 125,362.74 × 27,418.88 - Step 4: Simplify right side
83,574.36x = 3,437,305,924.53 - Step 5: Solve for x
x = 3,437,305,924.53/83,574.36 - Step 6: Final answer
x = 41,128.71
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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.